p-Block elementsHard

Question

Sodium sulphate is soluble in water, whereas, whereas barium sulphate is sparingly soluble because :

Options

A.the hydration energy of sodium sulphate is more than its lattice energy
B.the lattice energy of barium sulphate is more than its hydration energy
C.the lattice energy has no role to play in solubility
D.the hydration energy of sodium sulphate is lass than its lattice energy

Solution

If EL > Eh substance will insoluble as in BaSO4 and vice versa.

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