JEE Main 2022 · 26 Jul · Shift 2 · Chemistry Q75

ChemistrySingle correct+4 / -1Question 75 of 90

Hydrolysis of which compound will give carbolic acid?

Cumene

Benzenediazonium chloride

Benzal chloride

Ethylene glycol ketal

Answer and worked solution

Official answer: B

Carbolic acid is phenol. Warming benzenediazonium chloride with water gives phenol, $\mathrm N_2$ and HCl.

Cumene needs oxidation first, benzal chloride gives benzaldehyde, and a ketal gives a ketone.

(B)

Topics:Phenols Diazonium salts

JEE Main 2022 · 26 Jul · Shift 2, Chemistry question 75