CHEMISTRY

Question .7: Write chemical reaction of aniline with benzoyl chloride and write the name ofthe product obtained

Answer:

Question 8: Write structures of different isomers corresponding to the molecular formula,
C₃H₉N. 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,C₃H₉N are given below:

Propan-1-amine (1⁰)

N,N-Dimethylmethanamine (3⁰)
10amines, (a) propan-1-amine, and (b) Propan-2-amine will liberate nitrogen gas on treatment with nitrous acid.

Question 9: Convert
(i) 3-Methylaniline into 3-nitrotoluene.
(ii) Aniline into 1,3,5-tribromobenzene.

Answer:

(i)

Question 10: Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines.
(i) CH₃)₂ CHNH₂ (ii)CH₃(CH₂)₂NH₂
(iii) CH₃NHCH(CH₃)₂ (iv) (CH₃)₃CNH₂
(v) C₆H₅NHCH₃ (vi) (CH₃CH₂)₂NCH₃
(vii) m−BrC₆H₄NH₂

Answer:

(i) 1-Methylethanamine (10 amine)
(ii) Propan-1-amine (10 amine)
(iii) N−Methyl-2-methylethanamine (20 amine)
(iv) 2-Methylpropan-2-amine (10 amine)
(v) N−Methylbenzamine or N-methylaniline (20 amine)
(vi) N-Ethyl-N-methylethanamine (30 amine)
(vii) 3-Bromobenzenamine or 3-bromoaniline (10 amine)

 

Prepared By: Mr. MANISH TULI
mail to: saimanishtuli@rediffmail.com