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Sodium sulphate is soluble in water but ...

Sodium sulphate is soluble in water but barium sulphate is insoluble because

A

The hydration energy of `Na_2SO_4` is more than its lattice energy

B

The lattice energy of `BaSO_4` is more than its hydration energy

C

The lattice energy has no role to play in solubility

D

Both (a) and (b)

Text Solution

Verified by Experts

The correct Answer is:
D
The hydration energy of `Na_2SO_4` is more than its lattice energy so sodium sulphate is soluble in water. Whereas the hydration energy of `BaSO_4` is less than its lattice energy so it is insoluble in water.
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