Select the compound from the following that will show intramolecular hydrogen bonding:

Question

Canvas Classes · Accepted Answer

Intramolecular hydrogen bonding occurs within the same molecule between a H-bond donor (O–H, N–H) and an acceptor (O, N, F) in close proximity.

Step 1 — Analyse each compound:

- : Only intermolecular H-bonding (molecules are too small for intramolecular) ✗
- : Only intermolecular H-bonding ✗
- : Only intermolecular H-bonding ✗
- o-nitrophenol: Has –OH group and –NO₂ group on adjacent carbons. The H of –OH can form an intramolecular H-bond with the O of –NO₂ group (forming a 6-membered ring) ✓

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