Question

The diazonium salt of which of the following compounds will form a colored dye on reaction with β-Naphthol in $\mathrm{NaOH}$?

• A.
• B.
• C.
• D.

Answer 1

The correct option is C

Explanation of the correct option:

The correct answer is option C:

The reaction of the diazonium salt with β-Naphthol in $\mathrm{NaOH}$ is given below:

This results in the formation of orange bright dye.

Explanation of the incorrect option:

Options A, B, and D:

1. Phenylamine will form a colored dye on reaction with β-Naphthol in $\mathrm{NaOH}$.
2. Thus, options A, B, and D are incorrect.

Hence, option C is correct, i.e., Phenylamine.