Sodium sulphate is soluble in water,whereas barium sulphate is sparing – InterviewSolution

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1.	Sodium sulphate is soluble in water,whereas barium sulphate is sparingly soluble becauseA. the hydration energy of sodium sulphate is more than its lattice energyB. the lattice energy of barium sulphate is more than its hydration energyC. the lattice energy has no role to play in solubilityD. the hydration energy of sodium sulphate is less than its lattice energy
Answer» Correct Answer - A::B (a) Correct For greater solubility, hydration energy must be greater than lattice energy. (b) Correct Greater lattice energy dicourage dissolution of a salt. (c) Incorrect When a salt dissolve, energy is required to break the lattice, which comes from hydration process. (d) Incorrect Explained in (A).

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