Joint Entrance Examination – JEE Main 2021


Engineering Entrance Exam Question Bank CD

JEE Main 2021 Entrance Exam

The JEE Main 2021 will be conducted by the JEE Apex Board for admission to Undergraduate Engineering Programs in NITs,  IIITs,  other Centrally Funded Technical Institutions, participating State Government Institutions etc.

Admission criteria to Undergraduate Engineering Programs at NITs, IIITs, Other Centrally Funded Technical Institutions, Institutions funded by participating State Governments, and other Institutions shall include the performance in the class 12 / equivalent qualifying Examination and in the Joint Entrance Examination, JEE ( Main ). The Paper-1 ( B. E. / B. Tech. ) of JEE ( Main ) will also be an eligibility test for the JEE ( Advanced ), which the candidate has to take if he / she is aspiring for admission to the undergraduate programmes offered by the IITs.

The States of Gujarat, Madhya Pradesh, Nagaland and Odisha have joined JEE (Main) system. Therefore, the candidates seeking admission to the institutions in these states, which were earlier admitting based on their State Level Examination, are also advised to fill in the JEE ( Main ) – 2021 application form online.

JEE Main 2021 Mode of Examination 

The Paper-1 (  B.E. /  B. Tech. ) of JEE Main 2021 will be conducted in

  • Online ( Computer Based Examination ) mode.

The Paper-2 (  B. Arch. / B. Planning. ) of JEE Main 2021 will be conducted in

  • Mathematics- Part I and Aptitude Test
  • Part II in “Computer Based Test ( CBT )” mode only and Drawing Test
  • Part III in “Pen & Paper Based” ( offline ) mode to be attempted on drawing sheet.

A candidate will opt for either Pen and Paper Based or Computer Based examination modes for Paper-1 ( B. E. /  B. Tech. ) only.

JEE Main 2021 Type of Examination

JEE ( Main ) 2021 shall have two papers, Paper-1 ( B.E /  B. Tech ) and Paper-2  ( B. Arch / B. Planning ). Candidates may take Paper-1 ( B.E / B. Tech ), or Paper-2  ( B. Arch / B. Planning ), or both as per the courses they are seeking admission to.

Subject combinations for each paper, type of questions in each paper and mode of examination available is given in the table below.

SubjectsType of QuestionMode of Exam
Paper 1 ( B.E./ B. Tech. )Physics, Chemistry & MathematicsObjective type with equal weightage to Physics, Chemistry & MathematicsComputer based Mode Only
Paper 2 ( B.Arch. / B.Planning )Mathematics – Part I Aptitude Test – Part IIObjective Type - Multiple Choice Questions ( MCQs )Computer based Mode Only
Drawing Test – Part IIIQuestions to test drawing aptitudePen & Paper Based ( offline ) mode to be attempted on Drawing sheet

Requirement of papers for different courses is given in the table below.

All other undergraduate courses( B.E. / B. Tech. )Paper – 1
B.ARCH / B.Planning ( At Institutions other than IITs )Paper – 2

JEE Main 2021 Schedule of Examination

Exam Schedule for First attempt

Dates of Examination
( Exact City, date and shift of examination for Paper-1 and Paper-2 will be made available on NTA’s website )
2nd week of January 2021
Mode of Examination Paper 1 ( B.E. / B.Tech. ) “Computer Based Test ( CBT )” mode only
Paper 2  ( B. Arch. / B.Planning. ) Mathematics – Part I and Aptitude Test-Part II in “Computer Based Test ( CBT )” mode only
First Shift Second Shift
Timing of Examination 9.30 a.m. to 12.30 p.m. 2.30 p.m. to 5.30 p.m.
Duration of Examination 3 Hours 3 Hours
Entry in the Examination Centre 7.30 a.m. – Upto 8.30 a.m. 12.30 p.m. – Upto 1.30 p.m.
Entry in the Examination Hall / Room 8.45 a.m. to 9.00 a.m. 1.45 p.m. to 2.00 p.m.
Checking of Admit Cards by the Invigilator 9.00 a.m. to 9.15 a.m. 2.00 p.m. to 2.15 p.m
Sitting on the seat in the Examination Hall 9.15 a.m. 2.15 p.m.
Instructions by the Invigilators 9.15 a.m. to 9.25 a.m. 2.15 p.m. to 2.25 p.m.
Test Commences 9.30 a.m. 2.30 p.m.
Test Concludes 12.30 p.m. 5.30 p.m.

JEE Main 2021 Choice of Medium of Question Papers

1All Examination Centre CitiesEnglish and Hindi Medium
2Examination Centre Cities in Gujarat, Daman & Diu and Dadra and Nagar HaveliEnglish, Hindi and Gujarati

The option of question paper language should be exercised while filling up the JEE Main 2021 Application Form and it cannot be changed at a later stage.

Provisions for Persons With Disabilities

  • The candidates with disability should fill in the type and percentages of disability correctly in the online application form for JEE ( Main )-2021.
  • Only the visually challenged candidates, who have 40% or more disability, will be provided Scribe / Reader on the request of the candidate. In no case, the candidates will be allowed to bring their own scribe.
  • Such candidate will have to submit the request in writing to the Centre Superintendent for the same at least one week before the examination date.
  • The Centre Superintendent will identify the scribe / reader students who are appearing in class X. In case a request is received from the candidate, he / she would be allowed to meet the scribe a day before the examination to verify the suitability of the scribe.
  • One hour compensatory ( extra ) time will also be allowed to the candidates with 40% or more disability irrespective of the fact that the candidate ( s ) is / are availing the facility of scribe/reader.

Use of Calculator and Communication Aids

Use of electronic devices like mobile phone, calculator etc. is not permitted  in JEE Main 2021. Materials like log table, book, notebook, etc. should not be brought into the examination hall.

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JEE Main 2021 Eligibility Criteria

Age Limit

For appearing in the JEE (Main) examination there is no age limit for the candidates. The candidates who have passed XII examination in 2019, 2020 or appearing in 2021 irrespective of their age can appear in JEE ( Main ) Examination – 2021. The candidates should satisfy themselves about the eligibility of age limit requirements of the Institutes in which he / she is desirous of taking admission.

Year of Appearance in Qualifying Examination ( QE )

Only those candidates who have passed their Class 12th Examination or any equivalent qualifying examination in 2019 or 2020; or those who are appearing in their Class 12th Examination or any equivalent qualifying examination in 2021 are eligible to appear in both January, 2021 and April, 2021 JEE ( Main )-2021 Examination.
Candidates who passed Class 12th / Qualifying examination in 2018 or before as well as those who will appear in such examination in 2020 or later are not eligible to appear in JEE ( Main ) 2021.

Number of subjects in the Qualifying Examination ( QE )

Candidates must have taken at least five subjects in class 12th / qualifying examination in order to be eligible for writing JEE ( Main )-2021. The candidates who have taken four subjects are not permitted to write JEE ( Main )-2021 and if such candidates appear in JEE ( Main )-2021 by furnishing wrong information, their rank / result will not be declared.

Number of Attempts 

The number of attempts which a candidate can avail at JEE Main shall be limited to 03 ( three ).

Candidates are also advised to note and verify themselves the eligibility for appearing in JEE ( Advanced ) 2021 as well as eligibility for admission to various institutes. Being eligible to write JEE ( Main ) and by obtaining an all India rank in JEE ( Main ), A Candidate does not automatically become eligible for admission.

Candidates seeking admission to the institutions in the states of Gujarat, Madhya pradesh, Nagaland and Odisha, which were earlier admitting based on their state level examination, are also advised to verify their eligibility as per criteria laid down by these state governments.

No. of Attempts and Age Limit for the states of Madhya Pradesh and Odisha

Since the states of Madhya Pradesh, Nagaland and Odisha have joined JEE ( Main ) system from 2014. The age limit, for admission to institutions in these states which were earlier admitting candidates based on their state level examinations, will be as per their past practice only. The number of attempts in such cases will also remainsame as per their past practice. This will however be obviously not applicable for admission to IITs / NITs / IIITs / CFTIs.

Admission to NITs, IIITs, CFTIs, SFIs, State Engineering Colleges for Participating States and other Participating Institutions

Eligibility for Admission to NITs, IIITs and Other Institutions participating through Central Counselling Board :

Admission to NITs, IIITs and CFTIs participating though Central Seat Allocation Board will be based on All India Rank as explained above in section 2.10 subject to the condition that the candidate should have secured at least 75% marks in the 12th class examination, or be in the top 20 percentile in the 12th class examination conducted by the respective Boards. For SC / ST candidates the qualifying marks would be 65% in the 12th class examination.
Subject combinations required in the qualifying examination for admission to B.E./B.Tech. & B. Arch. / B.Planning Courses in NITs, IIITs, and other CFTIs shall be as under.

CourseRequired Criteria based on Class 12th / Equivalent qualifying Examination
B.E / B.TECHPassed 10+2 examination with Physics and Mathematics as compulsory subjects along with one of the Chemistry / Biotechnology / Biology / Technical Vocational subject.
B.ARCH. / B.PLANNINGPassed 10+2 examination with Mathematics.

Eligibility for Admission to Other Institutions

The above mentioned policy could also be adopted by other Technical Institutions participating in counselling through JoSAA / CSAB. In case a State opts to admit students in the engineering Colleges affiliated to state Universities,the Statemay prepare separate rank list based on criteria decided by them.

Number of Seats in various Institutions

The JEE ( Main ) secretariat / CBSE is only an examination conducting body. After declaration of result the data is handed over to SEAT ALLOCATION BOARD or the concerned state government / institute for Seat Allocation Process and admission procedure. The JEE ( Main ) secretariat does not collect the information regarding total number of seats available in the institutions and reservation criteria followed by the institutions. For all admission related procedures / queries,the candidates are advised to refer the website of JoSAA, Central Seat Allocation Board ( CSAB ) or the concerned state government / institute after declaration of ranks of JEE ( Main ) –  2021. The letter / e-mails regarding admission related procedures / queries will not be entertained by JEE  ( Main ) secretariat / CBSE.

Reservation of Seats

As per Government of India rules candidates belonging to certain categories are admitted to seats reserved for them based on relaxed criteria.These categories are:

I. Other Backward Classes ( OBC ) if they belong to Non Creamy Layer ( NCL )

II. Scheduled Castes ( SC )

III. Scheduled Tribes ( ST )

IV. Persons with Disability ( PWD ) with 40% or more disability Benefit of reservation for admission to NITs / IIITs and CFTIs shall be given only to those classes / castes / tribes which are in the respective central list published by the Govt of India. For admission to State Engineering colleges who have opted for admission through JEE ( Main ) – 2021, the reservation rules of that state shall apply.The letter / e-mails regarding reservation criteria will not be entertained by JEE  ( Main ) secretariat / CBSE.

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JEE Main 2021 State Code of Eligibility

State Code of eligibility means the Code of the State from where the candidate has passed Class 12th / Equivalent qualifying examination by virtue of which he / she becomes eligible to appear in the JEE Main for admission to B.E / B.Tech and B.Arch / B. Planning Courses of the institutions / Colleges of the States / UT.

Note :  If a candidate has passed Class 12th / Equivalent qualifying examination from one state but appeared for improvement from another state, his / her state code of eligibility will be from where he / she has originally passed Class 12th / Equivalent qualifying examination and not the state from where he / she has appeared for improvement.

Indian nationals passing the equivalent qualifying examination from an institution abroad, the State of Eligibility will be determined on the basis of permanent address in India as given in the Passport of the candidate. However the candidates who have passed / appearing in the qualifying examination from Nepal / Bhutan the state code of eligibility is given in the table below.

Candidate passed / appearing class 12th from NIOS should select the State of Eligibility according to the state in which the study center is located. The State of Eligibility is not applicable for the candidates belonging to Nepal /Bhutan / Foreign / OCI / PIO.

The following table lists all State codes of Eligibility

Name of the State / UTCodeName of the State / UTCode
Andaman & Nicobar Islands ( UT )ANMadhya PradeshMP
Andhra PradeshAPMaharashtraMR
Arunachal PradeshALManipurMN
Chandigarh ( UT )CHNagalandNL
Dadra & Nagar Haveli ( UT )DNPuducherry ( UT )PO
Daman & Diu ( UT )DDPunjabPB
GujaratGJTamil NaduTN
Himachal PradeshHPUttar PradeshUP
Jammu & KashmirJKUttarakhandUK
JharkhandJHWest BengalWB
KeralaKLForeign / OCI / PIO / Nepal / BhutanZZ
Lakshadweep ( UT )LD

To know more about JEE Main State Code of Eligibility Click Here

JEE Main 2021 Application Form

Candidates of JEE Main 2021 have to apply “Online” only through JEE Main website www.jeemain.nic.inThere is no printed application form for JEE ( Main ).

JEE Main 2021 Online Application Fee

The fee ( in Indian Rupees ) for JEE ( Main )  2021 is as following :

Paper( s ) Appearing Exams fees
( General / OBC ) ( SC / ST / PwD )
JEE ( Main )
Paper – 1
( B.E. / B.Tech. ) or
JEE ( Main )
Paper – 2
( B. Arch. / B.
Planning ) only
[rupee]650 ( Boys )
[rupee]325 ( Girls )
[rupee]325 ( Boys )
[rupee]325 ( Girls )
Both JEE ( Main ) Paper – 1
( B.E. / B.Tech. ) and
JEE ( Main ) Paper – 2
( B.Arch. / B.Planning )
[rupee]1300( Boys )
[rupee]650 ( Girls )
[rupee]650 ( Boys )
[rupee]650 ( Girls )
JEE ( Main ) Paper – 1
( B.E. / B.Tech. ) or
JEE ( Main ) Paper – 2
( B.Arch. / B. Planning )
[rupee]3000 ( Boys )
[rupee]1500 ( Girls )
[rupee]1500 ( Boys )
[rupee]1500 ( Girls )
Both JEE ( Main ) Paper – 1
( B.E. / B.Tech. ) and JEE
( Main ) Paper – 2
( B.Arch. / B.Planning )
[rupee]6000 ( Boys )
[rupee]3000 ( Girls )
[rupee]3000 ( Boys )
[rupee]3000 ( Girls )

In case the examination fee is paid through credit / debit card, the candidates will need to pay an additional processing charge as following :

  • Credit Card : 1.20% of the examination fee plus the GST as applicable.
  • Debit Card : 0.75%+GST for examination fee upto Rs.2000 and 1%+GST for examination fee more than [rupee] 2000/-.

Candidates are allowed to submit only one application form. More than one application i.e. Multiple applications from a candidate will be rejected.

The name of the candidate and his / her parents name in the application form must exactly be the same as registered in Class 12th / equivalent qualifying Examination. No prefix / title such as Mr / Shri / Fr / Dr / Mrs / Smt / Col etc should be used.

No options can be changed at a later stage after submission of an application. However,a chance may be given to the candidates to correct / modify some of the particular ( s ) of the application form online only, with valid reason ( s ), after one week of closing date. The candidates are advised to see the website and newspaper regularly to know the exact date when the correction ( s ) / modification ( s ) will be allowed online only.

No change will be accepted through offline mode i.e. through fax / application including e-mail etc.

JEE Main 2021 Online Application Submission

The online submission of particulars, uploading of scanned photograph and signatures may be made at JEE ( Main ) website. The candidates should supply all the required details while filling up the online form. On submission of details, a Acknowledgement Page with Application No. shall be generated.

Candidates are required to take printout of Acknowledgement Page and keep it for reference. The Acknowledgement Page is not required to be sent to JEE ( Main ) Secretariat / CBSE. The application fee payment can be made :

  • by credit / debit card / Paytm or
  • by depositing fee in cash in the Syndicate / Canara / ICICI bank through e-challan generated during the online filling of application form.

To Know more about JEE Main Online Application Format – Click Here

JEE Main 2021 Admit Card

  • The Admit Card can be downloaded from JEE ( Main ) website from January, 2021 For January Session and 3rd week of March, 2021 For April Session.
  • The candidates are advised to download their admit cards from JEE ( Main ) website only. The Candidates are also advised to regularly see JEE ( Main ) website for updates.
  • A call centre will also be functional on all working days from 9:00 AM to 5:30 PM for general facilitation. The phone numbers of the call centre are available on the website of JEE ( Main ).

To know more about JEE Main Application Form Click Here

JEE Main  Exam Centres

JEE ( Main ) – 2021 will be conducted in major cities and towns of India as well as abroad While applying, candidates must select four centre cities in case of Pen & Paper based examination and one city in case of Computer based examination.

However, if the number of candidates for Computer based examination is less than 50 in a city on a particular date than such candidates will be allotted last day of the computer based examination in the  same city. Similarly, efforts will be made to allot candidate’s city of Pen & Paper based examination as per their choice opted for in the application form. However, in some exceptional circumstances, a different city in nearby area may be allotted.

Request  for  Change of JEE Main 2021 Examination City / Town

Normally, the requests for change of centre will not be entertained. In this regard, the decision of the Executive Director ( JAB ) will be final.

JEE ( Main ) 2021 will be conducted in the following cities in the mode shown against the cities


To know more about JEE Main Exam Centre Click Here

To know more about JEE Main Facilitation Centres – Click Here

JEE Main 2021 Tentative List of Participating Institutions in Centralised Seat Allocation Process

National Institutes of Technology ( NITs )

  • National Institute of Technology , Agartala ( Tripura )
  • Motilal Nehru National Institute of Technology, Allahabad ( U.P. )
  • National Institute of Technology, Arunachal Pradesh.
  • Maulana Azad National Institute of Technology, Bhopal ( MP )
  • National Institute of Technology, Calicut ( Kerela )
  • National Institute of Technology, Delhi
  • National Institute of Technology, Durgapur ( West Bengal )
  • National Institute of Technology, Goa
  • National Institute of Technology, Hamirpur ( Himachal Pradesh )
  • Malviya National Institute of Technology, Jaipur ( Rajasthan )
  • Dr. B R Ambedkar National Institute of Technology, Jalandhar ( Punjab )
  • National Institute of Technology, Jamshedpur ( Jharkhand )
  • National Institute of Technology, Kurukshetra ( Haryana )
  • National Institute of Technology, Manipur
  • National Institute of Technology, Meghalaya
  • National Institute of Technology, Mizoram
  • National Institute of Technology, Nagaland
  • Visvesvaraya National Institute of Technology, Nagpur ( Maharashtra )
  • National Institute of Technology, Patna ( Bihar )
  • National Institute of Technology, Puducherry
  • National Institute of Technology, Raipur ( Chhattisgarh )
  • National Institute of Technology, Rourkela ( Odisha )
  • National Institute of Technology, Sikkim
  • National Institute of Technology, Silchar ( Assam )
  • National Institute of Technology, Hazartbal, Srinagar ( J & K )
  • Sardar Vallabhbhai National Institute of Technology, Surat ( Gujarat )
  • National Institute of Technology, Surathkal, Mangalore ( Karnataka )
  • National Institute of Technology, Tiruchirapalli ( Tamil Nadu )
  • National Institute of Technology, Uttrakhand
  • National Institute of Technology, Warangal
  • National Institute of Technology, Andhra Pradesh, Vatluru, Eluru – 534007

Indian Institutes of Information Technology ( IIITs, IIITM & IIITDM )

  • Atal Bihari Vajpayee Indian Institute of Information Technology & Management, Gwalior ( M.P. )
  • Indian Institute of Information Technology, Design & Manufacturing, Kanchipuram, Chennai ( Tamil Nadu )
  • Indian Institute of Information Technology, Jhalwa, Allahabad ( UP )
  • Pandit Dwarka Prasad Mishra Indian Institute of Information Technology, Design & Manufacturing, Jabalpur ( M.P. )
  • Indian Institute of Information Technology, Guwahati ( Assam )
  • Indian Institute of Information Technology, Kota ( Rajasthan )
  • Indian Institute of Information Technology, Sri City, Chitoor ( A. P. )
  • Indian Institute of Information Technology, Vadodara ( Gujarat )
  • Indian Institute of Information Technology Manipur Mantripukhri, Imphal 795001
  • Indian Institute of Information Technology Srirangam,Tiruchirappalli
  • Indian Institute of Information Technology Lucknow
  • Indian Institute of Information Technology ( IIIT ) Dharwad
  • Indian Institute of Information Technology ( IIIT ) Kurnool
  • Indian Institute of Information Technology ( IIIT ) Kottayam
  • Indian Institute of Information Technology ( IIIT ) Kalyani, West Bengal
  • Indian Institute of Information Technology ( IIIT ) Kilohrad, Sonepat, Haryana
  • Indian Institute of Information Technology ( IIIT ) Una, Himachal Pradesh
  • Indian Institute of Information Technology ( IIIT ) Ranchi, Jharkhand
  • Indian Institute of Information Technology ( IIIT ) Nagpur, Maharashtra
  • Indian Institute of Information Technology ( IIIT ) Pune , Maharshtra
  • Indian Institute of Information Technology Bhagalpur
  • Indian Institute of Information Technology Bhopal
  • Indian Institute of Information Technology Surat

Other Central Government / State Government Funded Institutions

  • Assam University, Silchar ( Assam )
  • Birla Institute of Technology, Mesra, Ranchi ( Jharkhand )
  • Gurukul Kangri Vishwavidyalaya, Haridwar ( Uttarakhand )
  • Indian Institute of Carpet Technology, Bhadohi ( U.P. )
  • Institute of Infrastructure, Technology, Research & Management, Ahmedabad
  • Institute of Technology, Guru Ghasidas Vishawavidyalaya, Bilaspur ( C.G. )
  • J.K. Institute of Applied Physics & Technology, University of Allahabad, Allahabad – 211002 ( U.P. )
  • Mizoram University, Aizwal – 796009
  • National Institute of Foundry& Forge Technology, P.O. Hatia, Ranchi ( Jharkhand ).
  • School of Planning and Architecture, Bhopal ( Madhya Pradesh )
  • School of Planning and Architecture, I.P. Estate, New Delhi ( SPA, Delhi ).
  • School of Planning and Architecture, Vijayawada ( Andhra Pradesh )
  • Shri Mata Vaishno Devi University, Katra – 182320 ( J & K )
  • Tezpur University, NAPAAM, Tezpur ( Assam )
  • Indian Institute of Engineering Science & Technology, Shibpur, Distt Howrah ( Formerly Bengal Engineering & Science University Shibpur )
  • Indian Institute of Crop Processing Technology, Thanjavur, Tamilnadu
  • National Institute of Electronics and Information Technology, Aurangabad, Maharashtra
  • Sant Longowal Institute of Engineering and Technology Longowal – 148106, Distt. Sangrur ( Pb. ), India
  • Harcourt Butler Technical University, Kanpur ( U.P. )
  • Indian Institute of Petroleum & Energy, Visakhapatnam.
  • Indian Institute of Handloom Technology, Salem, Tamil Nadu.
  • Jamia Hamdard University, Delhi.
  • University of Hyderabad, Hyderabad

To know more about JEE Main Participating Institutions Click Here

JEE Main  Syllabus for Aptitude Test B.Arch / B.Planning

Part – I : Awareness of persons, places, Buildings, Materials. Objects, Texture related to Architecture and build – environment. Visualising three dimensional objects from two dimensional drawings. Visualising, different sides of three dimensional objects. Analytical Reasoning Mental Ability ( Visual, Numerical and Verbal ).

Part – II : Three dimensional – perception : Understanding and appreciation of scale and proportion of objects, building forms and elements, colour texture, harmony and contrast. Design and drawing of geometrical or abstract shapes and patterns in pencil. Transformation of forms both 2 D and 3 D union, sub straction, rotation, development of surfaces and volumes, Generation of Plan, elevations and 3D views of objects. Creating two dimensional and three dimensional compositions using given shapes and forms.

Sketching of scenes and activities from memory of urban scape ( public space, market, festivals, street scenes, monuments, recreational spaces etc. ), landscape ( river fronts, jungles, gardens, trees, plants etc. ) and rural life.

Note : Candidates are advised to bring pencils, own geometry box set, erasers and colour pencils and crayons for the Aptitude Test.

To know more about JEE Main Aptitude Test Syllabus Click Here

JEE Main  Mathematics Syllabus 

Unit 1 : Sets, Relations and Functions

Sets and their representation; Union, intersection and complement of sets and their algebraic properties; Power set; Relation, Types of relations, equivalence relations, functions;, one-one, into and onto functions, composition of functions.

Unit 2 : Complex Numbers and Quadratic Equations

Complex numbers as ordered pairs of reals, Representation of complex numbers in the form a+ib and their representation in a plane, Argand diagram, algebra of complex numbers, modulus and argument ( or amplitude ) of a complex number, square root of a complex number, triangle inequality, Quadratic equations in real and complex number system and their solutions. Relation between roots and co – efficients, nature of roots, formation of quadratic equations with given roots.

Unit 3 : Matrices And Determinants

Matrices, algebra of matrices, types of matrices, determinants and matrices of order two and three. Properties of determinants, evaluation of determinants, area of triangles using determinants. Adjoint and evaluation of inverse of a square matrix using determinants and elementary transformations, Test of consistency and solution of simultaneous linear equations in two or three variables using determinants and matrices.

Unit 4 : Permutations And Combinations

Fundamental principle of counting, permutation as an arrangement and combination as selection, Meaning of P (n, r) and C (n, r), simple applications.

Unit 5 : Mathematical Induction

Principle of Mathematical Induction and its simple applications.

Unit 6 : Binomial Theorem and its Simple Applications

Binomial theorem for a positive integral index, general term and middle term, properties of Binomial coefficients and simple applications.

Unit 7 : Sequences and Series

Arithmetic and Geometric progressions, insertion of arithmetic, geometric means between two given numbers. Relation between A.M. and G.M. Sum upto n terms of special series: S n, S n2, Sn3. Arithmetico – Geometric progression.

Unit 8 : Limit, Continuity and Differentiability

Real – valued functions, algebra of functions, polynomials, rational, trigonometric, logarithmic and exponential functions, inverse functions. Graphs of simple functions. Limits, continuity and differentiability. Differentiation of the sum, difference, product and quotient of two functions. Differentiation of trigonometric, inverse trigonometric, logarithmic, exponential, composite and implicit functions; derivatives of order upto two. Rolle’s and Lagrange’s Mean Value Theorems. Applications of derivatives: Rate of change of quantities, monotonic – increasing and decreasing functions, Maxima and minima of functions of one variable, tangents and normals.

Unit 9 : Integral Calculus

Integral as an anti – derivative. Fundamental integrals involving algebraic, trigonometric, exponential and logarithmic functions. Integration by substitution, by parts and by partial fractions. Integration using trigonometric identities.

Evaluation of simple integrals of the type

Integral as limit of a sum. Fundamental Theorem of Calculus. Properties of definite integrals. Evaluation of definite integrals, determining areas of the regions bounded by simple curves in standard form.

Unit 10 : Differential Equations

Ordinary differential equations, their order and degree. Formation of differential equations. Solution of differential equations by the method of separation of variables, solution of homogeneous and linear differential equations of the type :

Unit 11 : Co – Ordinate Geometry

Cartesian system of rectangular co-ordinates 10 in a plane, distance formula, section formula, locus and its equation, translation of axes, slope of a line, parallel and perpendicular lines, intercepts of a line on the coordinate axes.

Straight lines

Various forms of equations of a line, intersection of lines, angles between two lines, conditions for concurrence of three lines, distance of a point from a line, equations of internal and external bisectors of angles between two lines, coordinates of centroid, orthocentre and circumcentre of a triangle, equation of family of lines passing through the point of intersection of two lines.

Circles, conic sections

Standard form of equation of a circle, general form of the equation of a circle, its radius and centre, equation of a circle when the end points of a diameter are given, points of intersection of a line and a circle with the centre at the origin and condition for a line to be tangent to a circle, equation of the tangent. Sections of cones, equations of conic sections (parabola, ellipse and hyperbola) in standard forms, condition for y = mx + c to be a tangent and point ( s ) of tangency.

Unit 12 : Three Dimensional Geometry 

Coordinates of a point in space, distance between two points, section formula, direction ratios and direction cosines, angle between two intersecting lines. Skew lines, the shortest distance between them and its equation. Equations of a line and a plane in different forms, intersection of a line and aplane, coplanar lines.

Unit 13 : Vectoralgebra

Vectors and scalars, addition of vectors, components of a vector in two dimensions and three dimensional space, scalar and vector products, scalar and vector triple product.

Unit 14 : Statistics and Probability

Measures of Dispersion : Calculation of mean, median, mode of grouped and ungrouped data calculation of standard deviation, variance and mean deviation for grouped and ungrouped data.

Probability : Probability of an event, addition and multiplication theorems of probability, Baye’s theorem, probability distribution of a random variate, Bernoulli trials and Binomial distribution.

UNIT 15 : Trigonometry

Trigonometrical identities and equations. Trigonometrical functions. Inverse trigonometrical functions and their properties. Heights and Distances.

Unit 16 : Mathematical Reasoning

Statements, logical operations and, or, implies, implied by, if and only if. Understanding of tautology, contradiction, converse and contrapositive.

To know more about JEE Main Mathematics Syllabus Click Here

JEE Main  Physics Syllabus

The syllabus contains two Sections – A and B. Section – A pertains to the Theory Part having 80% weightage, while Section – B contains Practical Component ( Experimental Skills ) having 20% weightage.

Section – A

Unit 1 : Physics and Measurement

Physics, technology and society, S I units, Fundamental and derived units. Least count, accuracy and precision of measuring instruments, Errors in measurement, Dimensions of Physical quantities, dimensional analysis and its applications.

Unit 2 : Kinematics

Frame of reference. Motion in a straight line : Position – time graph, speed and velocity. Uniform and non – uniform motion, average speed and instantaneous velocity Uniformly accelerated motion, velocity – time, position – time graphs, relations for uniformly accelerated motion. Scalars and Vectors, Vector addition and Subtraction, Zero Vector, Scalar and Vector products, Unit Vector, Resolution of a Vector. Relative Velocity, Motion in a plane, Projectile Motion, Uniform Circular Motion.

Unit  3 : Laws of Motion

Force and Inertia, Newton’s First Law of motion; Momentum, Newton’s Second Law of motion; Impulse; Newton’s Third Law of motion. Law of conservation of linear momentum and its applications, Equilibrium of concurrent forces. Static and Kinetic friction, laws of friction, rolling friction. Dynamics of uniform circular motion : Centripetal force and its applications.

Unit 4 : Work, Energy and Power

Work done by a constant force and a variable force; kinetic and potential energies, workenergy theorem, power. Potential energy of a spring, conservation of mechanical energy, conservative and nonconservative forces; Elastic and inelastic collisions in one and two dimensions.

Unit 5 : Rotationalmotton

Centre of mass of a two – particle system, Centre of mass of a rigid body; Basic concepts of rotational motion; moment of a force, torque, angular momentum, conservation of angular momentum and its applications; moment of inertia, radius of gyration. Values of moments of inertia for simple geometrical objects, parallel and perpendicular axes theorems and their applications. Rigid body rotation, equations of rotational motion.

Unit 6 : Gravitation

The universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth. Kepler’s laws of planetary motion. Gravitational potential energy; gravitational potential. Escape velocity. Orbital velocity of a satellite. Geo – stationary satellites.

Unit 7 : Properties of solids and Liquids

Elastic behaviour, Stress – strain relationship, Hooke’s Law, Young’s modulus, bulk modulus, modulus of rigidity. Pressure due to a fluid column; Pascal’s law and its applications. Viscosity, Stokes’ law, terminal velocity, streamline and turbulent flow, Reynolds number. Bernoulli’s principle and its applications. Surface energy and surface tension, angle of contact, application of surface tension – drops, bubbles and capillary rise. Heat, temperature, thermal expansion; specific heat capacity, calorimetry; change of state, latent heat. Heat transfer – conduction, convection and radiation, Newton’s law of cooling.

Unit 8 : Thermodynamics

Thermal equilibrium, zeroth law of thermodynamics, concept of temperature. Heat, work and internal energy. First law of thermodynamics. Second law of thermodynamics : reversible and irreversible processes. Carnot engine and its efficiency.

 Unit 9 : Kinetic Theory of Gases

Equation of state of a perfect gas, work doneon compressing a gas. Kinetic theory of gases – assumptions, concept of pressure. Kinetic energy and temperature : rms speed of gas molecules; Degrees of freedom, Law of equipartition of energy, applications to specific heat capacities of gases; Mean free path, Avogadro’s number.

Unit 10 : Oscillations and Waves

Periodic motion – period, frequency, displacement as a function of time. Periodic functions. Simple harmonic motion ( S.H.M. ) and its equation; phase; oscillations of a spring – restoring force and force constant; energy in S.H.M. – kinetic and potential energies; Simple pendulum – derivation of expression for its time period; Free, forced and damped oscillations, resonance.

Wave motion. Longitudinal and transverse waves, speed of a wave. Displacement relation for a progressive wave. Principle of superposition of waves, reflection of waves, Standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect in sound. 

Unit 11 : Electrostatics

Electric charges : Conservation of charge, Coulomb’s law – forces between two point charges, forces between multiple charges; superposition principle and continuous charge distribution.

Electric field : Electric field due to a point charge, Electric field lines, Electric dipole, Electric field due to a dipole, Torque on a dipole in a uniform electric field. Electric flux, Gauss’s law and its applications to find field due to infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell. Electric potential and its calculation for a point charge, electric dipole and system of charges; Equipotential surfaces, Electrical potential energy of a system of two point charges in an electrostatic field.

Conductors and insulators, Dielectrics and electric polarization, capacitor, combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, Energy stored in a capacitor.

Unit 12 : Current Electricity

Electric current, Drift velocity, Ohm’s law, Electrical resistance, Resistances of different materials, V – I characteristics of Ohmic and nonohmic conductors, Electrical energy and power, Electrical resistivity, Colour code for resistors; Series and parallel combinations of resistors; Temperature dependence of resistance.

Electric Cell and its Internal resistance, potential difference and emf of a cell, combination of cells in series and in parallel. Kirchhoffs laws and their applications. Wheatstone bridge, Metre bridge. Potentiometer – principle and its applications.

Unit 13 : Magnetic Effects of Current and Magnetism

Biot – Savart law and its application to current carrying circular loop. Ampere’s law and its applications to infinitely long current carrying straight wire and solenoid. Force on a moving charge in uniform magnetic and electric fields. Cyclotron. Force on a current – carrying conductor in a uniform magnetic field. Force between two parallel current – carrying conductors – definition of ampere. Torque experienced by a current loop in uniform magnetic field; Moving coil galvanometer, its current sensitivity and conversion to ammeter and voltmeter.

Current loop as a magnetic dipole and its magnetic dipole moment. Bar magnet as an equivalent solenoid, magnetic field lines; Earth’s magnetic field and magnetic elements. Para-, dia- and ferro- magnetic substances. Magnetic susceptibility and permeability, Hysteresis, Electromagnets and permanent magnets.

Unit 14 : Electromagnetic Induction and Alternating Currents

Electromagnetic induction; Faraday’s law, induced emf and current; Lenz’s Law, Eddy currents. Self and mutual inductance. Alternating currents, peak and rms value of alternating current / voltage; reactance and impedance; LCR series circuit, resonance; Quality factor, power in AC circuits, wattless current. AC generator and transformer.

Unit 15 : Electromagnetic Waves

Electromagnetic waves and their characteristics. Transverse nature of electromagnetic waves. Electromagnetic spectrum ( radio waves, microwaves, infrared, visible, ultraviolet, X rays, gamma rays ). Applications of e.m. waves.

Unit 16 : Optics

Reflection and refraction of light at plane and spherical surfaces, mirror formula, Total internal reflection and its applications, Deviation and Dispersion of light by a prism, Lens Formula, Magnification, Power of a Lens, Combination of thin lenses in contact, Microscope and Astronomical Telescope ( reflecting and refracting ) and their magnifyingpowers.

Wave optics : wavefront and Huygens’ principle, Laws of reflection and refraction using Huygen’s principle. Interference, Young’s double slit experiment and expression for fringe width, coherent sources and sustained interference of light. Diffraction due to a single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes, Polarisation, plane polarized light; Brewster’s law, uses of plane polarized light and Polaroids.

Unit 17 : Dualnature of Matter and radiation

Dual nature of radiation. Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation; particle nature of light. Matter waves – wave nature of particle, de Broglie relation. Davisson – Germer experiment.

Unit 18 : Atoms and Nuclei

Alpha – particle scattering experiment; Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses, isotopes, isobars; isotones. Radioactivity – alpha, beta and gamma particles / rays and their properties; radioactive decay law. Mass – energy relation, mass defect; binding energy per nucleon and its variation with mass number, nuclear fission and fusion.

Unit 19 : Electronic Devices

Semiconductors; semiconductor diode : I – V characteristics in forward and reverse bias; diode as a rectifier; I – V characteristics of LED, photodiode, solar cell and Zener diode; Zener diode as a voltage regulator. Junction transistor, transistor action, characteristics of a transistor; transistor as an amplifier ( common emitter configuration ) and oscillator. Logic gates ( OR, AND, NOT, NAND and NOR ). Transistor as a switch.

Unit 20 : Communication Systems

Propagation of electromagnetic waves in the atmosphere; Sky and space wave propagation, Need for modulation, Amplitude and Frequency Modulation, Bandwidth of signals, Bandwidth of Transmission medium, Basic Elements of a Communication System ( Block Diagram only ).

Section – B

Unit 21 : Experimental Skills

Familiarity with the basic approach and observations of the experiments and activities :

1. Vernier callipers – its use to measure internal and external diameter and depth of a vessel.

2. Screw gauge – its use to determine thickness / diameter of thin sheet / wire.

3. Simple Pendulum – dissipation of energy by plotting a graph between square of amplitude and time.

4. Metre Scale – mass of a given object by principle of moments.

5. Young’s modulus of elasticity of the material of a metallic wire.

6. Surface tension of water by capillary rise and effect of detergents.

7. Co – efficient of Viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body.

8. Plotting a cooling curve for the relationship between the temperature of a hot body and time.

9. Speed of sound in air at room temperature using a resonance tube.

10. Specific heat capacity of a given ( i ) solid and ( ii ) liquid by method of mixtures.

11. Resistivity of the material of a given wire using metre bridge.

12. Resistance of a given wire using Ohm’s law.

13. Potentiometer –

  • Comparison of emf of two primary cells.
  • Determination of internal resistance of a cell.

14. Resistance and figure of merit of a galvanometer by half deflection method.

15. Focal length of :

  • Convex mirror
  • Concave mirror, and
  • Convex lens using parallax method.

16. Plot of angle of deviation vs angle of incidence for a triangular prism.

17. Refractive index of a glass slab using a travelling microscope.

18. Characteristic curves of a p – n junction diode in forward and reverse bias.

19. Characteristic curves of a Zener diode and finding reverse break down voltage.

20. Characteristic curves of a transistor and finding current gain and voltage gain.

21. Identification of Diode, LED, Transistor, IC, Resistor, Capacitor from mixed collection of such items.

22. Using multimeter to :

  • Identify base of a transistor.
  • Distinguish between npn and pnp type transistor.
  • See the unidirectional flow of current in case of a diode and an LED.
  • Check the correctness or otherwise of a given electronic component ( diode, transistor or IC ).

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JEE Main  Chemistry Syllabus

Section – A : Physical Chemistry

Unit 1 : Some Basic Concepts in Chemistry

Matter and its nature, Dalton’s atomic theory; Concept of atom, molecule, element and compound; Physical quantities and their measurements in Chemistry, precision and accuracy, significant figures, S.I. Units, dimensional analysis; Laws of chemical combination; Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae; Chemical equations and stoichiometry.

Unit 2 : States of Matter

Classification of matter into solid, liquid and gaseous states.

1. Gaseous State : Measurable properties of gases; Gas laws – Boyle’s law, Charle’s law, Graham’s law of diffusion, Avogadro’s law, Dalton’s law of partial pressure; Concept of Absolute scale of temperature; Ideal gas equation; Kinetic theory of gases ( only postulates ); Concept of average, root mean square and most probable velocities; Real gases, deviation from Ideal behaviour, compressibility factor and van der Waals equation.

2. Liquid State : Properties of liquids – vapour pressure, viscosity and surface tension and effect of temperature on them ( qualitative treatment only ).

3. Solid State : Classification of solids : molecular, ionic, covalent and metallic solids, amorphous and crystalline solids ( elementary idea ); Bragg’s Law and its applications; Unit cell and lattices, packing in solids ( fee, bcc and hcp lattices ), voids, calculations involving unit cell parameters, imperfection in solids; Electrical and magnetic properties.

Unit 3 : Atomic Structure

Thomson and Rutherford atomic models and their limitations; Nature of electromagnetic radiation, photoelectric effect; Spectrum of hydrogen atom, Bohr model of hydrogen atom – its postulates, derivation of the relations for energy of the electron and radii of the different orbits, limitations of Bohr’s model; Dual nature of matter, de – Broglie’s relationship, Heisenberg uncertainty principle.

Elementary ideas of quantum mechanics, quantum mechanical model of atom, its important features. Concept of atomic orbitals as one electron wave functions; Variation of ? and ?2 with r for 1s and 2s orbitals; various quantum numbers ( principal, angular momentum and magnetic quantum numbers ) and their significance; shapes of s, p and d – orbitals, electron spin and spin quantum number; Rules for filling electrons in orbitals – aufbau principle, Pauli’s exclusion principle and Hund’s rule, electronic configuration of elements, extra stability of half – filled and completely filled orbitals.

Unit 4 : Chemical Bonding and Molecular Structure 

Kossel – Lewis approach to chemical bond formation, concept of ionic and covalent bonds.

Ionic Bonding : Formation of ionic bonds, factors affecting the formation of ionic bonds; calculation of lattice enthalpy.

Covalent Bonding : Concept of electronegativity, Fajan’s rule, dipole moment; Valence Shell Electron Pair Repulsion ( VSEPR ) theory and shapes of simple molecules.

Quantum mechanical approach to covalent bonding : Valence bond theory – Its important features, concept of hybridization involving s, p and d orbitals; Resonance.

Molecular Orbital Theory : Its important features, LCAOs, types of molecular orbitals ( bonding, antibonding ), sigma and pi – bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, concept of bond order, bond length and bond energy.

Elementary idea of metallic bonding. Hydrogen bonding and its applications.

Unit 5 : Chemical Thermodynamics

Fundamentals of thermodynamics : System and surroundings, extensive and intensive properties, state functions, types of processes.

First law of thermodynamics – Concept of work, heat internal energy and enthalpy, heat capacity, molar heat capacity; Hess’s law of constant heat summation; Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution.

Second law of thermodynamics; Spontaneity of processes; ΔS of the universe and ΔG of the system as criteria for spontaneity, Δo? ( Standard Gibbs energy change ) and equilibrium constant.

Unit 6 : Solutions

Different methods for expressing concentration of solution – molality, molarity, mole fraction, percentage ( by volume and mass both ), vapour pressure of solutions and Raoult’s Law – Ideal and non – ideal solutions, vapour pressure – composition, plots for ideal and non – ideal solutions; Colligative properties of dilute solutions – relative lowering of vapour pressure, depression of freezing point, elevation of boiling point and osmotic pressure; Determination of molecular mass using colligative properties; Abnormal value of molar mass, van’t Hoff factor and its significance.

Unit 7 : Equilibrium

Meaning of equilibrium, concept of dynamic equilibrium.

  • Equilibria involving physical processes : Solid – liquid, liquid – gas and solid – gas equilibria, Henry’s law, general characterics of equilibrium involving physical processes.
  • Equilibria involving chemical processes : Law of chemical equilibrium, equilibrium constants ( Kp and Kc ) and their significance, significance of ΔG and ΔGo in chemical equilibria, factors affecting equilibrium concentration, pressure, temperature, effect of catalyst; Le Chatelier’s principle.
  • Ionic equilibrium : Weak and strong electrolytes, ionization of electrolytes, various concepts of acids and bases ( Arrhenius, Bronsted – Lowry and Lewis ) and their ionization, acid – base equilibria ( including multistage ionization ) and ionization constants, ionization of water, pH scale, common ion effect, hydrolysis of salts and pH of their solutions, solubility of sparingly soluble salts and solubility products, buffer solutions.

Unit 8 : Redox Reactions and Electrochemistry

  • Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number, balancing of redox reactions.
  • Eectrolytic and metallic conduction, conductance in electrolytic solutions, molar conductivities and their variation with concentration : Kohlrausch’s law and its applications.
  • Electrochemical cells – Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half – cell and cell reactions, emf of a Galvanic cell and its measurement; Nernst equation and its applications; Relationship between cell potential and Gibbs’ energy change; Dry cell and lead accumulator; Fuel cells.

Unit 9 : Chemical Kinetics

Rate of a chemical reaction, factors affecting the rate of reactions : concentration, temperature, pressure and catalyst; elementary and complex reactions, order and molecularity of reactions, rate law, rate constant and its units, differential and integral forms of zero and first order reactions, their characteristics and half – lives, effect of temperature on rate of reactions – Arrhenius theory, activation energy and its calculation, collision theory of bimolecular gaseous reactions ( no derivation ).

Unit – 10 : Surface Chemistry

  • Adsorption – Physisorption and chemisorption and their characteristics, factors affecting adsorption of gases on solids – Freundlich and Langmuir adsorption isotherms, adsorption from solutions.
  • Catalysis – Homogeneous and heterogeneous, activity and selectivity of solid catalysts, enzyme catalysis and its mechanism.
  • Colloidal State – distinction among true solutions, colloids and suspensions, classification of colloids – lyophilic, lyophobic; multimolecular, macromolecular and associated colloids ( micelles ), preparation and properties of colloids – Tyndall effect, Brownian movement, electrophoresis, dialysis, coagulation and flocculation; Emulsions and their characteristics.

Section – B : JEE Main  Inorganic Chemistry Syllabus

Unit 11 : Classification of Elements and Periodicity in Properties

Modem periodic law and present form of the periodic table, s, p, d and f block elements, periodic trends in properties of elements atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity.

Unit 12 : General Principles and Processes of Isolation of Metals

Modes of occurrence of elements in nature, minerals, ores; Steps involved in the extraction of metals – concentration, reduction ( chemical and electrolytic methods ) and refining with special reference to the extraction of Al, Cu, Zn and Fe; Thermodynamic and electrochemical principles involved in the extraction of metals.

Unit 13 : Hydrogen

Position of hydrogen in periodic table, isotopes, preparation, properties and uses of hydrogen; Physical and chemical properties of water and heavy water; Structure, preparation, reactions and uses of hydrogen peroxide; Classification of hydrides – ionic, covalent and interstitial; Hydrogen as a fuel.

Unit 14 : S – Block Elements ( Alkali and Alkaline Earth Metals )

  • Group – 1 and 2 Elements : General introduction, electronic configuration and general trends in physical and chemical properties of elements, anomalous properties of the first element of each group, diagonal relationships.
  • Preparation and properties of some important compounds – sodium carbonate and sodium hydroxide and sodium htydrogen carbonate; Industrial uses of lime, limestone, Plaster of Paris and cement; Biological significance of Na, K, Mg and Ca.

Unit 15 : P – Block Elements

Group – 13 to Group 18 Elements :

General Introduction : Electronic configuration and general trends in physical and chemical properties of elements across the periods and down the groups; unique behaviour of the first element in each group.

Groupwise study of the p – block elements

Group – 13 : Preparation, properties and uses of boron and aluminium; Structure, properties and uses of borax, boric acid, diborane, boron trifluoride, aluminium chloride and alums.

Group – 14 : Tendency for catenation; Structure, properties and uses of Allotropes and oxides of carbon, silicon tetrachloride, silicates, zeolites and silicones.

Group – 15 : Properties and uses of nitrogen and phosphorus; Allotrophic forms of phosphorus; Preparation, properties, structure and uses of ammonia, nitric acid, phosphine and phosphorus halides, ( PCl3, PCl5 ); Structures of oxides and oxoacids of nitrogen and phosphorus.

Group – 16 : Preparation, properties, structures and uses of ozone; Allotropic forms of sulphur; Preparation, properties, structures and uses of sulphuric acid ( including its industrial preparation ); Structures of oxoacids of sulphur.

Group – 17 : Preparation, properties and uses of hydrochloric acid; Trends in the acidic nature of hydrogen halides; Structures of Interhalogen compounds and oxides and oxoacids of halogens.

Group – 18 : Occurrence and uses of noble gases; Structures of fluorides and oxides of xenon.

Unit 16 : D – and F – Block Elements

Transition Elements : General introduction, electronic configuration, occurrence and characteristics, general trends in properties of the first row transition elements – physical properties, ionization enthalpy, oxidation states, atomic radii, colour, catalytic behaviour, magnetic properties, complex formation, interstitial compounds, alloy formation; Preparation, properties and uses of K2Cr2 O7 and KMnO4.

Inner Transition Elements :

Lanthanoids – Electronic configuration, oxidation states and lanthanoid contraction.

Actinoids – Electronic configuration and oxidation states.

Unit 17 : Co – Ordination Compounds

Introduction to co – ordination compounds, Werner’s theory; ligands, co – ordination number, denticity, chelation; IUPAC nomenclature of mononuclear coordination compounds, isomerism; Bonding – Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties; Importance of coordination compounds ( in qualitative analysis, extraction of metals and in biological systems ).

Unit 18 : Environmental Chemistry

  • Environmental pollution – Atmospheric, water and soil.
  • Atmospheric pollution – Tropospheric and Stratospheric
  • Tropospheric pollutants – Gaseous pollutants : Oxides of carbon, nitrogen and sulphur, hydrocarbons; their sources, harmful effects and prevention; Green house effect and Global warming; Acid rain;
  • Particulate pollutants : Smoke, dust, smog, fumes, mist; their sources, harmful effects and prevention.
  • Stratospheric pollution – Formation and breakdown of ozone, depletion of ozone layer – its mechanism and effects.
  • Water Pollution – Major pollutants such as, pathogens, organic wastes and chemical pollutants; their harmful effects and prevention.
  • Soil pollution – Major pollutants such as : Pesticides ( insecticides,. herbicides and fungicides ), their harmful effects and prevention. Strategies to control environmental pollution.

JEE Main  Organic Chemistry Syllabus

Section – C

Unit 19 : Purification and Characterization of Organic Compounds

  • Purification – Crystallization, sublimation, distillation, differential extraction and chromatography – principles and their applications.
  • Qualitative analysis – Detection of nitrogen, sulphur, phosphorus and halogens.
  • Quantitative analysis ( basic principles only ) – Estimation of carbon, hydrogen, nitrogen, halogens, sulphur, phosphorus. Calculations of empirical formulae and molecular formulae; Numerical problems in organic quantitative analysis.

Unit 20 : Some Basic Principles of Organic Chemistry 

  • Tetravalency of carbon; Shapes of simple molecules – hybridization ( s and p ); Classification of organic compounds based on functional groups : and those containing halogens, oxygen, nitrogen and sulphur; Homologous series; Isomerism – structural and stereoisomerism.
  • Nomenclature ( Trivial and IUPAC )
  • Covalent bond fission – Homolytic and heterolytic : free radicals, carbocations and carbanions; stability of carbocations and free radicals, electrophiles and nucleophiles.
  • Electronic displacement in a covalent bond – Inductive effect, electromeric effect, resonance and hyperconjugation.
  • Common types of organic reactions – Substitution, addition, elimination and rearrangement.

Unit 21 : Hydrocarbons

Classification, isomerism, IUPAC nomenclature, general methods of preparation, properties and reactions.

Alkanes – Conformations : Sawhorse and Newman projections ( of ethane ); Mechanism of halogenation of alkanes.

  • Alkenes – Geometrical isomerism; Mechanism of electrophilic addition : addition of hydrogen, halogens, water, hydrogen halides ( Markownikoffs and peroxide effect ); Ozonolysis and polymerization.
  • Alkynes – Acidic character; Addition of hydrogen, halogens, water and hydrogen halides; Polymerization.
  • Aromatic hydrocarbons – Nomenclature, benzene – structure and aromaticity; Mechanism of electrophilic substitution : halogenation, nitration, Friedel – Craft’s alkylation and acylation, directive influence of functional group in mono – substituted benzene.

Unit 22 : Organic Compounds Containing Halogens

General methods of preparation, properties and reactions; Nature of C – X bond; Mechanisms of substitution reactions. Uses; Environmental effects of chloroform, iodoform freons and DDT.

Unit 23 : Organic Compounds Containing Oxygen

General methods of preparation, properties, reactions and uses.

  • Alcohols, Phenols and Ethers.
  • Alcohols : Identification of primary, secondary and tertiary alcohols; mechanism of dehydration.
  • Phenols : Acidic nature, electrophilic substitution reactions : halogenation, nitration and sulphonation, Reimer – Tiemann reaction.
  • Ethers : Structure.
  • Aldehyde and Ketones : Nature of carbonyl group; Nucleophilic addition to >C=0 group, relative reactivities of aldehydes and ketones; Important reactions such as – Nucleophilic addition reactions ( addition of HCN, NH, and its derivatives ), Grignard reagent; oxidation; reduction ( Wolff Kishner and Clemmensen ); acidity of ? – hydrogen, aldol condensation, Cannizzaro reaction, Haloform reaction;
  • Chemical tests to distinguish between aldehydes and Ketones.
  • Carboxylic Acids –  Acidic strength and factors affecting it.

Unit 24 : Organic Compounds Containing Nitrogen

General methods of preparation, properties, reactions and uses.

  • Amines : Nomenclature, classification, structure, basic character and identification of primary, secondary and tertiary amines and their basic character.
  • Diazonium Salts : Importance in synthetic organic chemistry.

Unit 25 : Polymers

General introduction and classification of polymers, general methods of polymerization – addition and condensation, copolymerization; Natural and synthetic rubber and vulcanization; some important polymers with emphasis on their monomers and uses – polythene, nylon, polyester and bakelite.

Unit 26 : Biomolecules

General introduction and importance of biomolecules.

  • Carbohydrates – Classification : aldoses and ketoses; monosaccharides ( glucose and fructose ) and constituent monosaccharides of oligosacchorides ( sucrose, lactose and maltose ).
  • Proteins – Elementary Idea of α – amino acids, peptide bond, polypeptides; Proteins : primary, secondary, tertiary and quaternary structure ( qualitative idea only ), denaturation of proteins, enzymes.
  • Vitamins – Classification and functions.
  • Nucleic Acids – Chemical constitution of DN A and RNA. Biological functions of nucleic acids.

Unit 27 : Chemistry in Everyday Life

  • Chemicals in medicines – Analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamins – their meaning and common examples.
  • Chemicals in food – Preservatives, artificial sweetening agents – common examples.
  • Cleansing agents – Soaps and detergents, cleansing action.

Unit 28 : Principles Related to Practical Chemistry

  • Detection of extra elements ( N, S, halogens ) in organic compounds; Detection of the following functional groups : hydroxyl ( alcoholic and phenolic ), carbonyl ( aldehyde and ketone ), carboxyl and amino groups in organic compounds.
  • Chemistry involved in the preparation of the following : Inorganic compounds : Mohr’s salt, potash alum. Organic compounds : Acetanilide, pnitroacetanilide, aniline yellow, iodoform.
  • Chemistry involved in the titrimetric exercises – Acids bases and the use of indicators, oxalic – acid vs KMnO4, Mohr’s salt vs KMnO4.
  • Chemical principles involved in the qualitative salt analysis :


  • Chemical principles involved in the following experiments
    • Enthalpy of solution of CuSO4.
    • Enthalpy of neutralization of strong acid and strong base.
    • Preparation of lyophilic and lyophobic sols.
    • Kinetic study of reaction of iodide ion with hydrogen peroxide at room temperature.

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JEE Main 2021 Results

JEE Main Exam Date

  • JEE Main 2021 First attempt exam will be held on  2nd Week Of January, 2021.
  • JEE Main 2021 Second attempt exam will be held on 2nd Week Of April, 2021.

JEE Main Result Date

  • JEE Main 2021 Exam results will be declared on February 2021 ( First attempt ), Last week of April 2021 ( Second attempt ).

Score and Result for JEE Main 2021

This score shall comprise the actual marks obtained in Paper-I of JEE ( Main ) 2021 along with the status of those who qualify for appearing in JEE ( Advanced ) 2021 provided and subject to other conditions of eligibility being met. The rank shall comprise All India rank and All India category rank.

Only the All India Rank ( AIR ) is used for admissions through Central Seat Allocation Board to NITs / IIITs / CFTIs / SFIs / Others, while other ranks are for information purposes.

No score / rank card will be dispatched to the candidates and the candidates are advised to download their score / rank cards from the JEE ( Main ) website only.

In case of a tie, i.e. when two or more candidates obtain equal marks, inter-se merit of such candidates shall be decided in the order mentioned on next page :

Rank list for admission to B.E / B.Tech ( in institutions other than IITs )

  • Resolution by marks obtained in Mathematics in JEE ( Main ) 2021. Candidate obtaining higher marks will be given better rank.
  • Resolution by marks obtained in Physics in the JEE ( Main ) 2021. Candidate obtaining higher marks will be given better rank.
  • Resolution by finding the ratio of positive marks and negative marks. Candidate having higher absolute value of the ratio will be given better rank.
  • If the resolution is not possible after this criterion, candidates will be given the same rank.

Rank list for admission to B.Arch / B.Planning ( in institutions other than IITs )

  • Resolution by marks obtained in Aptitude Test in Paper-2 ( B. Arch. / B. Planning. ) in JEE ( Main ) 2021. Candidate obtaining higher marks will be given better rank.
  • Resolution by marks obtained in Drawing Test in Paper-2 ( B. Arch. / B. Planning. ) in JEE ( Main ) 2021. Candidate obtaining higher marks will be given better rank.
  • Resolution by finding the ratio of positive marks and negative marks. Candidate having higher absolute value of the ratio will be given better rank.
  • If the resolution is not possible after this criterion, candidates will be given the same rank.

The answer keys & images of response sheets ( OMR sheets ) of Pen & Paper Based examination and answer keys of Computer based examination will be displayed on the website The candidates, who are not satisfied with the captured response, may challenge by filling online application form and paying a sum of  [rupee] 1000 / – per question The challenge of answer keys will also be accepted online only through the link available on the website on payment of [rupee]1000 /- per question. The fee can be paid by credit / debit card or e-challan. The fee once paid is non-refundable. The JAB’s / CBSE’s decision on the challenges shall be final and no further communication will be entertained.

All participating institutes that do not use the centralised Seat Allocation Process will prepare their own ranking based on the performance in JEE Main 2021 and other criteria as decided by them.

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JEE Main 2021 Counselling and Admission Procedure

Candidates shall be offered admission based on their choices and All India Ranks of JEE Main 2021 through a counselling procedure to be announced later. The candidates will be able to make their choices online for branches / programs and institutes at appropriate time.

The verification of documents would be done at the time of counselling / admission. The purpose would be to verify different records regarding identification, age, qualifying examination, state of eligibility, category and disability ( if any ) of the candidate. On failing to produce any of the authentic documents, the candidate will not be considered for admission.

SC, ST, OBC and PwD candidates will be required to produce original certificate issued by the competent authority at the time of counselling as well as at the time of admission, failing which they will not be considered for admission.

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JEE Main 2021 Important Dates

S No Event First Attempt Second Attempt
1 On-line submission of Application Form  First week of November 2020 First week of February till second week of March 2021
2 Date for successful final transaction of fee December ,2020 2nd week of March 2021
3 Correction in Particulars of application form on website only. January 2021 March 2021
4 Dates of Examination 2nd week of January 2021 2nd week of April 2021
5 Declaration of Result on NTA’s website February 2021 Last week of April 2021

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