MHT CET Chemistry question

Not in JEE Main or NEET syllabus

Solubility of alkaline earth metal sulphates decreases down the group 2 because

(A)they become more ionic
(B)lattice energy of sulphates does not vary significantly
(C)hydration energy decreases rapidly from to Correct
(D)lattice energy plays more predominant role than hydration energy

Answer: (C)

Solution

The sulphate ion is large so lattice energy changes little down the group, while the hydration energy falls rapidly with increasing cation size and eventually

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Question ID VK-067204