Statement 1: BeSO4 and MgSO4 are soluble in water.Statement 2: BaSO4 is water insoluble because lattice energy of BaSO4 is higher than its hydration energy.
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a
Both statements 1 and 2 are correct
b
Statement 1 is correct statement 2 is incorrect
c
Statement 1 is incorrect statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is A.
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Detailed Solution
BeSO4 and MgSO4 are readily soluble in water; the solubility decreases from CaSO4 to BaSO4. The greater hydration enthalpies of Be2+ and Mg2+ ions overcome the lattice enthalpy factor and therefore their sulphates are soluble in water.
Statement 1: BeSO4 and MgSO4 are soluble in water.Statement 2: BaSO4 is water insoluble because lattice energy of BaSO4 is higher than its hydration energy.