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.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Saturated solution of $KN{O_3}$ is used to make ‘salt-bridge’ because
→The oxidation of phenol with chromic acid gives
When collagen is boiled with water, it forms
$R - N{H_2} \to R - NH - C{H_3}$ (major product) The corret sequence of reagent is
→When electric current is supplied through an ionic hydride of fused state, then
Which of the following complex compound exhibits cis-trans isomerism?
The quantity of electricity needed to liberate $0.5\,gram$ equivalent of an element is
→Which of the following on heating produces $NO_2$ ?
→Absolute alcohol cannot be prepared by fractional distillation of rectified spirit since
For the given reaction
→${image}$