Which one is the correct statement with reference to the solubility of `MgSO_4` in water ?
Which one is the correct statement with reference to the solubility of `MgSO_4` in water ?
A. `SO_4^(2-)` ions mainly contributes towards hydration energy
B. Sizes of `Mg^(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 `Mg^(2+)` is very low
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Correct Answer - C
`MgSO_4` is soluble in water because it have hydration energy more than lattice energy .
`Mg^(2+)` ions mainly contributes towards hydration enengy
size of `SO_4^(2-)` ion is greation than `Mg^(2+)` ions.
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