Engineering
Chemistry
Reduction
Question

Consider the reaction :
RCHO + NH2 – NH2 → RCH = NNH2
What sort of reaction is it?

Electrophilic addition elimination reaction
Nucleophilic addition elimination reaction
Electrophilic substitution-elimination reaction
Free radical addition elimination reaction
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Solution
R – CHO + NH2 – NH2 → RCH = NNH2
The above reaction is Wolf Kirchner reduction.
Here NH2 – NHΘ is nucleophile added to aldehyde and water molecule is eliminated from the compound hence it is nucleophilic addition elimination reaction.