The alkaline earth metal sulphate, which has | vedclass

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Question

(A) The solubility of alkaline earth metal sulphates decreases down the group from $Be$ to $Ba$. This is because the hydration enthalpy decreases more

Vedclass · Accepted Answer

$BeSO_4$

Vedclass · Answer

(A) The solubility of alkaline earth metal sulphates decreases down the group from $Be$ to $Ba$. This is because the hydration enthalpy decreases more rapidly than the lattice energy as the size of the cation increases. For $BeSO_4$, the hydration enthalpy is significantly higher than its lattice energy, making it highly soluble in water. Therefore, the correct option is $BeSO_4$.

The alkaline earth metal sulphate, which has its hydration enthalpy greater than its lattice energy is

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