JEE Main 202429 JanuaryEvening Shift

Exam: JEE Main
Year: 2024
Date: 29 January
Shift: Evening Shift
Subject: Chemistry
Chapter: Alcohols Phenols and Ethers

JEE Main 2024 · 29 January · Evening Shift · Chemistry · Alcohols Phenols and Ethers

Phenol treated with chloroform in presence of sodium hydroxide,...

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results

Options

ASalicyclic acid
BBenzene-1,2-diol
CBenzene-1, 3-diol
D2-Hydroxybenzaldehyde

Correct answer

D. 2-Hydroxybenzaldehyde

Step-by-step solution

Chloroform $\left({CHCl}_{3}\right)$ in the presence of an alkali $\left(NaOH\right)$ undergoes formylation of phenol at the ortho-position. This is also called as the Reimer-Tiemann reaction.

Phenol treated with chloroform in presence of sodium hydroxide, which further hydrolysed in presence of an acid results Hence, the answer is option D.

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