MHT CET 2025 Chemistry question

Which of the following compounds has maximum covalent character?

(A)LiCl
(B)LiICorrect
(C)NaCl
(D)NaI

Answer: (B)

Solution

By Fajans' rules, covalent character increases with a small, highly polarising cation and a large, easily polarisable anion. Among the cations is smaller than and so has the higher polarising power; among the anions is larger

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Question ID VK-100707