Hydrocarbons Ques 88
88. The most reactive compound for electrophilic nitration is
[1992]
(a) Benzene
(b) Nitrobenzene
(c) Benzoic acid
(d) Toluene.
Show Answer
Answer:
Correct Answer: 88.(d)
Solution:
- (d) Due to $+ I$-effect of the $CH_3$-group, toluene has much higher electron density in the ring than benzene, Nitrobenzene and benzoic acid.
Nitro and carboxylic group show- $I$-effect and hence deactivate the ring towards electrophillic substutution.