Question

(iii) What are the ions present in these compounds?
Why do ionic compounds have high melting points?​

Answer 1

The chemical bonding and intermolecular forces in ionic compounds is so strong that the temperature required to achieve the minimum kinetic energy for melting is very high.

Answer 2

Ionic compounds are held together by electrostatic forces of attraction between the oppositely charged ions. As the ionic lattice contains such a large number of ions,a lot of energy is needed to overcome the ionic bonding. So they have high melting point.

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