Question

Arrange the following compounds in the order of increasing reactivity towards nucleophilic substitution:

• A. i < ii < iii < iv
• B. iv < iii < ii < i
• C. ii < i < iii < iv
• D. iv < iii < ii < i

Answer 1

The correct option is C ii < i < iii < iv

EWG increases reactivity towards nucleophilic substitution, whereas EDG decreases reactivity towards nucleophilic substitution.