A) Aniline
B) Salicylic acid
C) Benzaldehyde
D) Chlorobenzene
Correct Answer: A
Solution :
When aniline is treated with \[HN{{O}_{2}}\] at 0?5°C then diazonium salt is formed and by the coupling of diazonium salt and phenol azo dyes are prepared.You need to login to perform this action.
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