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(D) The reaction $RCHO + NH_2NH_2 \rightarrow RCH=NNH_2 + H_2O$ involves the attack of the nucleophilic nitrogen atom of hydrazine $(NH_2NH_2)$ on the

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Nucleophilic addition-elimination reaction

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(D) The reaction $RCHO + NH_2NH_2 \rightarrow RCH=NNH_2 + H_2O$ involves the attack of the nucleophilic nitrogen atom of hydrazine $(NH_2NH_2)$ on the electrophilic carbonyl carbon of the aldehyde $(RCHO)$.This step is a nucleophilic addition to the carbonyl group.Subsequently,the elimination of a water molecule $(H_2O)$ occurs to form the final product,which is a hydrazone.Therefore,the overall mechanism is classified as a nucleophilic addition-elimination reaction.

Consider the reaction:
$RCHO + NH_2NH_2 \rightarrow RCH=NNH_2 + H_2O$
What sort of reaction is it?

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Consider the reaction:$RCHO + NH_2NH_2 \rightarrow RCH=NNH_2 + H_2O$What sort of reaction is it?