The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is:
Chromatography
Crystallisation
Steam distillation
Sublimation
As we learnt in
Steam Distillation -
This method is used to separate substances which are steam volatile and are immiscible with water.
- wherein
e.g. O-nitrophenol and P-nitrophenol
Steam distillation is the most suitable method of separation of 1 : 1 mixture of ortho and para nitrophenols as there are intramolecular H-bonds in ortho nitrophenol.
Option 1)
Chromatography
Incorrect
Option 2)
Crystallisation
Incorrect
Option 3)
Steam distillation
Correct
Option 4)
Sublimation
Incorrect