Question

R-OH+CH2N2. Leaving group in this reaction is - (A)CH3, (B)R, (C)N2, (D)CH2.

Answer 1

The Leaving group in this reaction is N2.

Reason: Wiles dealing with the esterification of diazomethane you will come across the nitrogen group that is "N2" in CH2N2. Diazomethane as the name denotes there is a simple methylene carbon which is attached to the dinitrogen molecule that gets reduced while chemical reactions.

Answer 2

Hey dear,

● Answer -
(C) N2

● Explanation -
- Alcohols on reaction with diazomethane gets methylated.
R-OH + CH2N2 ---> R-OCH3 + N2
- Therefore, N2 is leaving group in this reaction.

- For example, ethyl alcohol on methylation with diazomethane yields ethyl methyl ether with liberation of nitrogen gas.
C2H5-OH + CH2N2 ---> C2H5-O-CH3 + N2

Hope this helps you...