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Question

Given below are two statements :

Statement I : None of the alkaline earth metal hydroxides dissolve in alkali.

Statement II : Solubility of alkaline earth metal hydroxides in water increases down the group.

In the light of the above statements, choose the most appropriate answer from the options given below.

A
Statement I and Statement II both are correct
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B
Statement I and Statement II both are incorrect
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C
Statement I is incorrect but Statement II is correct
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D
Statement I is correct but Statement II is incorrect
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Solution

The correct option is C Statement I is incorrect but Statement II is correct
  • Be(OH)2 is amphoteric in nature hence it dissolves in both acid and alkali.
  • Solubility of alkaline earth metal hydroxide in water increases down the group due to rapid decreases in lattice energy as compared to hydration energy.
Hence, option (c) is correct

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