A) \[BaS{{O}_{4}}\]
B) \[MgS{{O}_{4}}\]
C) \[RaS{{O}_{4}}\]
D) \[SrS{{O}_{4}}\]
Correct Answer: B
Solution :
Hydration energy of sulphate decreases from top to bottom in a Ilnd group. \[M{{g}^{2+}}\] is smaller than other ions of that group so \[M{{g}^{2+}}\] is readily hydrated. \[MgS{{O}_{4}}\] has higher hydration energy than lattice energy.
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