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Preparation of Benzene and Homologues

STATEMENT-1: ...

Question

STATEMENT-1: The $C - O$ bond length of aliphatic alcohols is less than that of phenols.
STATEMENT-2: In phenols, the $C - O$ bond acquires a π-bond character.

Both statements are true and STATEMENT-2 is the correct explanation of STATEMENT-1

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Both statements are true and STATEMENT-2 is not the correct explanation of STATEMENT -1

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STATEMENT-1 is true but STATEMENT-2 is false

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STATEMENT-1 is false but STATEMENT-2 is true

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Solution

The correct option is D STATEMENT-1 is false but STATEMENT-2 is true
$C - O$ bond length of aliphatic alcohols is greater than that of phenols. In phenol, the delocalisation of the lone pair of $O$ into the phenyl ring happens which develops a new $π$ bond character between $C - O$ and hence results in the shortening of bond length.

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