JEE Main 202225 JuneMorning Shift
- Exam
- JEE Main
- Year
- 2022
- Date
- 25 June
- Shift
- Morning Shift
- Subject
- Chemistry
- Chapter
- Alcohols Phenols and Ethers
JEE Main 2022 · 25 June · Morning Shift · Chemistry · Alcohols Phenols and Ethers
The intermediate X , in the reaction
The intermediate , in the reaction
Options
- A

- B

- C

- D

Correct answer
C. 
Step-by-step solution
When phenol reacts with chloroform in the presence of bases (NaOH/KOH), an aldehyde (−CHO) group gets introduced in the ring at a position ortho to the phenolic group and salicylaldehyde is formed. This reaction is called the Reimer-Tiemann reaction. Reaction occurs according to the following mechanism.
So, intermediate formed will be