Question

Intramolecular hydrogen bonding is found in

• A. $o$ -nitrophenol
• B. $m$ -nitrophenol
• C. $p$ -nitrophenol
• D. phenol

Answer 1

Answer: (A)

$o$ -nitrophenol

Answer 2

It is present in o-nitrophenol. It is a compound with a phenolic group and a nitro group that is attached to the benzene ring. The intramolecular hydrogen bonding is between the hydrogen atom of -OH and the oxygen atom of the nitro group within the same molecule.

So, the correct answer is (A): o-nitrophenol