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Question
Which of the following compounds are readily soluble in water?
(i) BeSO4
(ii) MgSO4
(iii) BaSO4
(iv) SrSO4
Solution
(i) BeSO4
(ii) MgSO4
Explanation:
Solubility decreases down the group because hydration enthalpy decreases more rapidly than lattice enthalpy. Thus, BeSO4 and MgSO4 are soluble.
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