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# Which of the following represent the correct order of decreasing lattice energy?

$\begin{array}{1 1}(a)\;LiF > LiCl > LiBr > LiI\\(b)\;LiI > LiBr > LiCl > LiF\\(c)\; LiI > LiBr > LiF > LiCl\\(d)\; LiCl > LiF > LiBr > LiI\end{array}$

Can you answer this question?

lattice energy varies inversely as inter nuclear distance between the oppositely charged ions in an ionic crystal
Hence (a) is the correct answer.
answered Dec 6, 2013