The ortho and para isomers can be separated by steam distillation. o-nitrophenol is more volatile due to intramolecular hydrogen bonding.
The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenol is:
Held on 30 Apr 2017 · Verified 9 Jul 2026.
Sublimation
Chromatography
Crystallisation
Steam distillation
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