Consider the reaction- RCHO-NH2NH2- RCH-N-NH2What sort of reaction is it-

The correct option is C Nucleophilic addition elimination reactionThe reaction RCHO+NH_2NH_2→ RCH=N NH_2 is a nucleophilic addition elimination reaction. ...

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Standard XII

Chemistry

Formation of Enamines

Consider the ...

Question

Consider the reaction:
$R C H O + {N H}_{2} {N H}_{2} \to R C H = N - {N H}_{2}$
What sort of reaction is it?

Free radical addition-elimination reaction

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Electrophilic substitution-elimination reaction

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Nucleophilic addition-elimination reaction

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Electrophilic addition-elimination reaction

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Solution

The correct option is C Nucleophilic addition-elimination reaction
The reaction $R C H O + {N H}_{2} {N H}_{2} \to R C H = N - {N H}_{2}$ is a nucleophilic addition-elimination
reaction. First a molecule of hydrazine is added to the carbonyl group. This is a nucleophilic addition reaction.
$R C H O + {N H}_{2} {N H}_{2} \to R C H (O H) - N H - {N H}_{2}$
Then a molecule of water is eliminated. This is an elimination reaction.
$R C H (O H) - N H - {N H}_{2} \to R C H = N - {N H}_{2} + H_{2} O$

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Consider the reaction:RCHO+NH2NH2→RCH=N−NH2What sort of reaction is it?

Consider the reaction:
$R C H O + {N H}_{2} {N H}_{2} \to R C H = N - {N H}_{2}$
What sort of reaction is it?