Question

Q.29. Which of the following are optimum temperature conditions
for making benzene diazonium chloride from aniline ?
(a) 0°C to 10°C
(b) 20°C to 25°C
(c) 30°C to 40°C
(d) 45°C to 50°C​

Answer 1

Answer:

Benzene diazonium chloride is PhN

2

+

Cl

−

.

It is formed when aniline is treated with NaNO

2

−HCl at a temperature between 0-5

∘

C.

PhNH

2

+NaNO

2

+HCl→PhN

2

+

Cl

−

Benzene diazonium chloride is an important synthetic intermediate and is used in a number of reactions.

Option A is correct.

Explanation:

Hope it helps you.