Q.
Consider following groups:
I. $Br$
II. $\overset{\underset{||}{O}}{C}CH_3$
III. $OCH _{3}$
IV.$OH$
V. $NHCH _{3}$
VI. $\overset{\oplus}{ N }\left( CH _{3}\right)_{3}$
Which can donate electrons by resonance and can withdraw electrons inductively?
Haloalkanes and Haloarenes
Solution: