Statement-I : Solubility of alkaline earth metal hydroxides in water increases from $Be (OH)_{2}$ to $Ba (OH)_{2} .$
Statement II : Solubility of alkaline earth metal carbonates and sulphates decreases down the group.

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statement I and II correct

statement I and II are false

statement I is true II is false

statement I is false but II is true

answer is B.

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Detailed Solution

Solubility of alkaline earth metal hydroxides in water increases down the group because lattice energy of hydroxides decreases down the group.

Down the group, lattice energy of alkaline earth metals carbonates and sulphates increases, hence their solubility get decreased.

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