AIPMT | 2015s-Block ElementsHard

Question

Solubility of the alkaline earth′s metal sulphates in water decreases in the sequence :-

Options

A.Ca > Sr > Ba > Mg
B.Sr > Ca > Mg > Ba
C.Ba > Mg > Sr > Ca
D.Mg > Ca > Sr > Ba

Solution

Due to very small size of Mg+2, Mg+2 shows maximum hydration energy.

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