Q. Assertion : Ortho and para-nitrophenol can be separated by steam distillation.
Reason : Para-nitrophenol is steam volatile due to intramolecular hydrogen bonding.

 2894  228 AIIMSAIIMS 2014Organic Chemistry – Some Basic Principles and Techniques Report Error

Solution:

o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding while p-nitrophenol is less volatile due to intermolecular hydrogen bonding.