Which one of the following reactions gives phenol as a major product?

Question

Which one of the following reactions gives phenol as a major product? (A) Reaction of benzene with conc. HNO 3 and conc. H 2 SO 4 (B) Reaction of aniline with NaNO 2 / HCl in warm water (C) Reaction of benzene with hot water (D) Sodium salt of benzoic acid with soda lime reaction

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/b13d9d5f423bde03ad1b7c2372e5fdc1-.png" /> Step 1 Aniline treated with NaNO 2 and HCl form benzene diazonium chloride. Step 2 Benzene diazonium chloride is hydrolysed by dilute sulphuric acid to for phenol.

Q. Which one of the following reactions gives phenol as a major product?

Reaction of benzene with conc. $H N O_{3}$ and conc. $H_{2} S O_{4}$

Reaction of aniline with $N a N O_{2} / H Cl$ in warm water

Reaction of benzene with hot water

Sodium salt of benzoic acid with soda lime reaction

Step 1 Aniline treated with $N a N O_{2}$ and $H Cl$ form benzene diazonium chloride.

Step 2 Benzene diazonium chloride is hydrolysed by dilute sulphuric acid to for phenol.

Q. Which one of the following reactions gives phenol as a major product?

Reaction of benzene with conc. HNO3​ and conc. H2​SO4​

Reaction of aniline with NaNO2​/HCl in warm water

Reaction of benzene with hot water

Sodium salt of benzoic acid with soda lime reaction

Step 1 Aniline treated with NaNO2​ and HCl form benzene diazonium chloride. Step 2 Benzene diazonium chloride is hydrolysed by dilute sulphuric acid to for phenol.

Reaction of benzene with conc. $H N O_{3}$ and conc. $H_{2} S O_{4}$

Reaction of aniline with $N a N O_{2} / H Cl$ in warm water

Step 1 Aniline treated with $N a N O_{2}$ and $H Cl$ form benzene diazonium chloride.

Step 2 Benzene diazonium chloride is hydrolysed by dilute sulphuric acid to for phenol.