Question

.. Which of the following compounds undergo nucleo-
philic substitution reaction most easily?
[AIPMT (Mains) 2011]
Cl
C1
(a)
(b
)
NO
CH
C1
Cl
(c)
(d)
os
OCH3
does not exhibit optical
11012)​

Answer 1

It has electron withdrawing group - NO2  which reduces the double bond character between carbon of benzene ring and chlorine. Hence, the correct order of nucleophilic substitution reactions are,