Chemistry Class 12 NCERT Solutions: Chapter 13 Amines Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Q: 8. Write structures of different isomers corresponding to the molecular formula, . Write IUPAC names of the isomers which will liberate nitrogen gas on treatment with nitrous acid.

Answer:

The structures of different isomers corresponding to the molecular formula, are given below:

(A)

(B)

Propan-2-amine (1°)

(C)

N-Methylethanamine

(D)

N, N, -Dimethylmethanamine (3°)

amines, (a) propan-1-amine, and (b) Propan-2-amine will liberate nitrogen gas on treatment with nitrous acid.

Q: 9. Convert

(i) 3-Methylaniline into 3-nitrotoluene

(ii) Aniline into 1,3, 5-tribromobenzene.

Answer:

(i)

3-Methylaniline into 3-Nitrotoluene

(ii)

Aniline into 1,3, 5-Tribromobenzene

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