Nitrogen Containing Compounds Question 148
Question: Azo dye is prepared by the coupling of phenol and : [Pb. CET 2000]
Options:
A) Diazonium chloride
B) o-nitro aniline
C) Benzoic acid
D) Chlorobenzene
Show Answer
Answer:
Correct Answer: A
Solution:
Azo dye is prepared by the coupling of phenol and diazonium chloride.