Haloalkanes and Haloarenes - Result Question 19
####19. Which of the following is least reactive in a nucleophilic substitution reaction.
[2004]
(a) $(CH_3)_3 C-Cl$
(b) $CH_2=CHCl$
(c) $CH_3 CH_2 Cl$
(d) $CH_2=CHCH_2 Cl$
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Solution:
- (b) $H_2 C=CHCl$ is capable of showing resonance which develops a partial double bond, character to $C-Cl$ bond, thereby making it less reactive towards nucleophilic substitution.
