The correct order of solubility of sulfates o | vedclass

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

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High hydration enthalpy of small ions like $Be^{2+}$

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(A) The solubility of alkaline earth metal sulfates in water decreases down the group from $Be$ to $Ba$.This is because the hydration enthalpy of the metal ions decreases much more rapidly than the lattice energy as the size of the cation increases down the group.For small ions like $Be^{2+}$,the hydration enthalpy is very high,which compensates for the lattice energy,making the sulfate highly soluble in water.

The correct order of solubility of sulfates of $Be$ group elements in water is $Be > Mg > Ca > Sr > Ba$. The reason for this is ....

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