SATHEE: Nitrogen Containing Compounds Question 72

Nitrogen Containing Compounds Question 72

Question: Azo-dyes are prepared from : [BHU 2004; Pb. CET 2001]

Options:

A) Aniline

B) Salicylic acid

C) Benzaldehyde

D) Chlorobenzene

Show Answer

Answer:

Correct Answer: A

Solution:

When aniline is treated with $ HNO_2 $ at 0?5°C then diazonium salt is formed and by the coupling of diazonium salt and phenol azo dyes are prepared.

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Nitrogen Containing Compounds Question 72

Question: Azo-dyes are prepared from : [BHU 2004; Pb. CET 2001]

Options:

Answer:

Solution:

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