NEET | 2017Purification and characteristic of organic compounEasy
Question
The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is :
Options
A.
Chromatography
B.
Crystallisation
C.
Steam distillation
D.
Sublimation
Solution
The ortho and para isomers can be separated by steam distillation o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding while p-nitro phenol is less volatile due to intermolecular hydrogen bonding which cause association of molecule.
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