Question

Which intermediate is formed in the Reimer-Tiemann reaction?

• A. Aldehyde
• B. Carbocation
• C. Carbanion
• D. Substituted benzal chloride

Answer 1

Answer: (D)

In Reimer-Tiemann reaction, on treating phenol with chloroform in the presence of sodium 1 hydroxide, a - CHO group is introduced at ortho position of benzene ring.



Hence, substituted benzyl chloride is intermediate in Reimer-Tiemann reaction.