Which of the following sulfate salts has the | vedclass

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(C) The solubility of alkaline earth metal sulfates decreases down the group from $Be$ to $Ba$. This is because the hydration enthalpy of the metal ca

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$BeSO_4$

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(C) The solubility of alkaline earth metal sulfates decreases down the group from $Be$ to $Ba$. This is because the hydration enthalpy of the metal cation decreases more rapidly than the lattice enthalpy as the size of the cation increases. Since $Be^{2+}$ is the smallest cation,it has the highest hydration enthalpy,which compensates for the lattice energy,making $BeSO_4$ the most soluble sulfate among the alkaline earth metals.

Which of the following sulfate salts has the highest solubility in water?

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