Assertion : $B e (O H)_{2}$ dissolves in excess NaOH solution. Reason: $B e (O H)_{2}$ is an acidic compound.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
$B e (O H)_{2}$ dissolves in excess NaOH solution.
Reaction:
$B e + 2 N a O H + 2 H_{2} O \to N a B e O_{2} .2 H_{2} O + H_{2}$ .
But Be has very small size so it forms basic hydroxide.

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