Question

Which of the following compounds are steam volatile ?
(i) para-Hydroxyacetophenone
(ii) ortho-Nitrophenol
(iii) ortho-Hydroxyacetophenone
(iv) para-Nitrophenol
A. (ii), (iii)
B. (i), (iv)
C. (i), (ii)
D. (iii), (iv)

Answer 1

Correct Answer - A
Because of intramolecular hydrogen bonding (chelation), o-hydroxyacetophenone and o-nitrophenol are steam volatile.