STANDARDChemistry-Amines
STANDARD Chemistry Diazotization and Coupling Reactions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Aniline when diazotised in cold and then treated with N, N-dimethylaniline gives a coloured product. The structure of this product is
A
CH₃—N=N—NH₂
B
(CH₃)₂N—N=N—
C
(CH₃)₂N—NH—
D
CH₃NH—N=N—NHCH₃
Correct Answer
Option B
Detailed Explanation
The reaction of aniline with nitrous acid forms a diazonium salt, which couples with N,N-dimethylaniline to form an azo compound. The structure of the product is (CH₃)₂N—N=N—.
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