A) \[BaS{{O}_{4}}\]
B) \[MgS{{O}_{4}}\]
C) \[RaS{{O}_{4}}\]
D) \[SrS{{O}_{4}}\]
Correct Answer: B
Solution :
[b] Hydration energy of sulphate decreases from top to bottom in a IInd group. Mg2+ is smaller than other ions of that group so Mg2+ is readily hydrated. MgS04 has higher hydration energy than lattice energy.
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