Question

Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?

• A. Aniline
• B. Phenol
• C. Anisole
• D. Nitrobenzene

Answer 1

Answer: (D)

Nitrobenzene

Answer 2

: Diazonium cation is a weak electrophile and hence reacts with electron rich compounds containing electron donating groups such as $- \mathrm { OH } , - \mathrm { NH } _ { 2 }$ and $- \mathrm { NO } _ { 2 }$etc.