Aryl Halides and Phenols - Result Question 47
51. Give reason in one or two sentences for the following: " $o$-nitrophenol is steam volatile whereas $p$-nitrophenol is not."
$(1985,1 M)$
Show Answer
Solution:
Intramolecular $H$-bonding in ortho-nitrophenol lowers its boiling point. No such intramolecular $H$-bonding is possible with $p$-nitrophenol and rather it is associated together by intermolecular $H$-bonding which increases the boiling point.
BETA
