Q. A mixture of $o$-nitrophenol and $p$-nitrophenol can be separated by

A) Fractional crystallisation
B) Sublimation
C) Chemical separation
D) Steam distillation
Explanation

(d)
In mixture of $o$-nitrophenol, $p$-nitrophenol, $o$-nitrophenol is steam volatile due to intra molecular hydrogen bonding whereas $p$-nitrophenol is less volatile due to inter molecular hydrogen bonding.
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Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.