NEET-XII-Chemistry
Previous Year Paper year:2018
- #89Which of the following carbocations is expected to
be most stable ?
(1)
(2)
(3)
(4)
digAnsr: 3Ans : (3)
Sol. -NO2 group is meta-directing group
Y H Y H
NO2NO2
(Less stable due to more e- withdrawing effect of
-NO2)
H
Y
NO2NO2
H
Y
NO2
H
Y
(More stable due to less e- withdrawing effect of
-NO2)