Question

Ortho nitrophenol has lower boiling point than para nitrophenol why

Answer 1

Explanation:

p-nitro phenol, is capable of forming intermolecular hydrogen bonding between, while o-nitrophenol forms intramolecular H-bond. There is significant change in the molecular weight of substances when intermolecular hydrogen bonds are formed. ... So o-nitrophenol has less boiling point compared to p-nitrophenol.

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