Which of the following compounds on treatment first with NaNO2/HCl and then coupled with phenol produces p- hydroxyazobenzene?

Question

Which of the following compounds on treatment first with NaNO2/HCl and then coupled with phenol produces p- hydroxyazobenzene? (A) Nitrobenzene (B) Azobenzene (C) Phenol (D) Aniline

Tardigrade Admin · Accepted Answer

1° aromatic amine on reaction with NaNO2/HCl ​and phenol produce orange coloured dye which is p-hydroxy azobenzene. ∴ is correct answer.

Q. Which of the following compounds on treatment first with $N a N O_{2} / H Cl$ and then coupled with phenol produces $p -$ hydroxyazobenzene?

Nitrobenzene

Azobenzene

Phenol

Aniline

$1^{\circ}$ aromatic amine on reaction with $N a N O_{2} / H Cl$
and phenol produce orange coloured dye which is p-hydroxy azobenzene.
$∴$ is correct answer.

Q. Which of the following compounds on treatment first with NaNO2​/HCl and then coupled with phenol produces p− hydroxyazobenzene?