MHT CET 2025 Chemistry question

Which of the following compounds has high lattice enthalpy?

(A)LiCl
(B)NaCl
(C)BeFCorrect
(D)CaCl

Answer: (C)

Solution

Lattice enthalpy increases with the product of the ionic charges and decreases as the sum of the ionic radii () increases: . is the smallest and most highly charged cation of the set and is the smallest anion, so

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Question ID VK-102512