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p-nitrophenol and o-nitrophenol are sepa...

`p-`nitrophenol and `o-`nitrophenol are separated by

A

Crystallisation

B

Fractional crystallisation

C

Distillation

D

Steam distillation

Text Solution

Verified by Experts

The correct Answer is:
D
o-nitro phenol has intramolecular hydrogen bonding, while p-nitrophenol has intermolecular hydrogen bonding (comparatively stronger). Due to this reason, the boiling point of o-nitrophenol is found quite less than that of p-nitrophenol. Hence, o-nitrophenol is steam volatile and can be separated from p-nitrophenol by steam distillation.
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