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In which of the following is the hydration energy higher than the lattice energy?A. `BaSO_(4)`B. `MgSO_(4)`C. `RaSO_(4)`D. `SrSO_(4)`

Answer» Correct Answer - B
Hydration energy of alkalinie earth metals sulphates decreases down the group. `Mg^(2+)` being smaller than the other ions , is readily hydrated. Thus, `MgSO_(4)` has higher hydration energy than lattice energy.


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