Question

Which of the following molecules shows intramolecular hydrogen bonding?

• A. o-Nitrophenol
• B. p-Nitrophenol
• C. Benzoic acid
• D. Ethanol

Answer 1

Answer: (A)

o-Nitrophenol

Intramolecular hydrogen bonding= Inter means between so hydrogen bonding between different molecules are inter-molecular hydrogen bonds. ... For example, between two molecules of water or between a molecule of water and a molecule of ammonia. Intramolecular: when such attraction is among two parts of a molecule.

So the correct option is $\left(A\right)$.