S Block Elements Question 142
Question: Which one is the correct statement with reference to solubility of $ MgSO_4 $ in water-
Options:
A) $ SO_4^{2-} $ ion mainly contributes towards hydration energy.
B) Sizes of $ M{{g}^{2+}} $ and $ SO_4^{2-} $ are similar.
C) Hydration energy of $ MgSO_4 $ is higher in comparison to its lattice energy.
D) Ionic potential (charge/radius ratio) of $ M{{g}^{2+}} $ is very low.
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Answer:
Correct Answer: C
Solution:
[c] $ MgSO_4 $ is the only alkaline earth metal sulphate which is soluble in water and for solubility hydration energy should be greater than lattice energy.