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Chemical Bonding in Chemistry

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Chemical Bonding in Chemistry

Mainly 3 Types of bonds can be present in Chemical Compounds.

I. Electrovalent or Ionic Bond

It is formed by Transferring of Electrons between 2 Atoms.

These types of bonds are mainly formed between Metals and Non – Metals.

Properties of Ionic Compounds

  • These compounds have high B.P., M.P. and thermal stability.
  • These compounds give fast reactions since, ionic reactions are spontaneous.
  • These compounds exist in solid form.

II. Covalent Bond

It is formed by equal sharing of Electrons between 2 Atoms. This type of bond is mainly formed between non – metals.CPT Online Practice Test

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Properties of Covalent Compounds :

  • These compounds may be solid, liquid or gas.
  • These compounds have low B.P., M.P. and thermal stability in comparison to Ionic Bond.
  • These compounds show slow and non – spontaneous reactions hence, rate can be determined.

III. Co – Ordinate or Dative Bond :

  • It is formed by unequal sharing of Electrons between 2 Atoms.
  • This bond is also called as Semi – Polar bond since; it involves Electrovalency and Covalency both.

Properties of Co – ordinate Compounds

  • These compounds may be solid, liquid or gas.
  • These compounds are insoluble in H2O.
  • These compounds do not conduct Electricity.
  • These compounds have high B.P. than Covalent Compounds but less than Electrovalent Compounds.

Note:

Order with respect to B.P., M.P., Solubility, Thermal Stability is as follows :

Ionic Bond > Co – ordinate Bond > Covalent Bond

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Chemical Bonding in Chemistry.

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