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Which one of the following alkaline eart...

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

A

`CaSO_(4)`

B

`BeSO_(4)`

C

`BaSO_(4)`

D

`SrSO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
Down the group, solubility of sulphates of group 2 metals in water decreases. `BeSO_(4)` is soluble in water (a known fact). Hence, hydration energy of `BeSO_(4)` is more in magnitude than its lattice energy.
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