Statement-I: Solubility of alkaline earth metal hydroxides in water increases down the group.Statement-II: For the same negative ion hydroxide, in these cases down the group lattice enthalpy and hydration enthalpy both decrease but lattice enthalpy decreases to a more extent.

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Both statement-I and statement-II are correct

Statement-I is correct and statement-II is incorrect

Statement-I is incorrect and statement-II is correct

Both statement-I and statement-II are incorrect

answer is A.

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Detailed Solution

down the group cation size increases so decrease in lattice energy much more thanhydration enthalpy so solubility increases

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