MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistrys- Block 3.0Previous Year Questions
In which of the following the hydration energy is higher than the lattice energy? (CBSE AIPMT 2007)
A.BaSO₄
B.MgSO₄✓ Correct
C.RaSO₄
D.SrSO₄
Explanation
The hydration energy of alkaline metal sulphates decreases more than the lattice energy down the group. Hence, the metal lowest atomic size will have higher hydration energy than the lattice energy and it gets more soluble. Hence, magnesium sulphate is the correct option.
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