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Give reason in one or two sentence for t...

Give reason in one or two sentence for the following "Hydrazones of aldehydes and ketones are not prepared in highly acidic medium ".

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Hydazones are formed by reacting carbonyl compounds with hydrazin`(overset(* *)(N)H_(2)-overset(* *)(N)H_(2))` which acts as a nucleophile. In the strongly acidic medium, hydrazine gets protonated and therefore, It in not a position to act as nuclephile. As a result, aldehydes and ketones are not prepared in strongly acidic medium. For more details consult section 8.
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