17
Comment on the following properties of ionic compounds and give reason in support of your answer :
(i) Physical nature
(ii) Melting and boiling points
(i) Physical nature
(ii) Melting and boiling points
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(i) Hard and brittle solid because of strong force of attraction between positive and negative ions.
(ii) High melting and boiling point because a considerable amount of energy is required to break the strong inter-ionic attraction.
(ii) High melting and boiling point because a considerable amount of energy is required to break the strong inter-ionic attraction.