NDA 2026 Chemistry question

Ionic compounds have high melting and boiling points. This is due to :

(A)the presence of strong electrostatic forces between ions in the crystal lattice.Correct
(B)the weak intermolecular van der Waals forces.
(C)the presence of a 'sea of delocalized electrons'.
(D)lower lattice energy.

Answer: (A)

Solution

In an ionic crystal the oppositely charged ions are held by strong electrostatic forces of attraction. A

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Question ID VK-033429