NTA Abhyas NEET2020ChemistryAminesPractice
Which compound can be use to prepare Azo-dyes?
Options
- AAniline
- BSalicylic acid
- CBenzaldehyde
- DChlorobenzene
Correct answer
A. Aniline
Step-by-step solution
When aniline is treated with H N O 2 at 0–5°C then diazonium salt is formed and by the coupling of diazonium salt and phenol azo dyes are prepared.