11th Class Chemistry Chemical Bonding and Molecular Structure

  • question_answer 86)   What is an ionic bond? With two suitable examples, explain the difference between an ionic and a covalent bond.


      The chemical bond formed between two atoms as a result of the transfer of one or more electrons from one atom to the other is called ionic bond. Such a bond is possible only between atoms of different nature, one atom should have the tendency to lose electron or electrons and other atom should have the tendency to accept electron or electrons. Points of difference: (i) Ionic bond is possible between dissimilar atoms i.e., on electropositive and other electronegative atom while the covalent bond is possible between similar as well as dissimilar atoms. (ii) Ionic bond is non-rigid and non-directional. It does not show isomerism while covalent bond is rigid and directional and can cause space isomerism.

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