MCQ
Azo dye is prepared by the coupling of phenol and :
- ✓Diazonium chloride
- B$o-$nitro aniline
- CBenzoic acid
- DChlorobenzene
✓
Answer
Correct option: A.
Diazonium chloride
a
(a) Azo dye is prepared by the coupling of phenol and diazonium chloride.
(a) Azo dye is prepared by the coupling of phenol and diazonium chloride.
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