Question

How solubility of sulphate of group 2 varies down the group?

Answer 1

Answer:

The hydration enthalpy decreases the same wat as it does in the case of group 2 cations bonded to OH- ions. Since the hydration enthalpy decreases faster than the lattice enthalpy in the case of group 2 Sulphates, the solubility of group 2 sulphates decrease while progressing down the group.

Explanation:

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