Alkyl Halides - Result Question 37
37. For the following compounds, the correct statement(s) with respect to nucleophilic substitution reaction is(are)
(2017 Adv.)
(a) Compound IV undergoes inversion of configuration
(b) The order of reactivity for I, III and IV is : IV > I > III
(c) I and III follow $S _N 1$ mechanism
(d) I and II follow $S _N 1$ mechanism
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Answer:
Correct Answer: 37. (a, d)
Solution:
- (a) Both I and II are $1^{\circ}$ halide, undergos $S _N 2$ reaction.
(d) III is a tertiary halide, undergoes $S _N 2$ reaction. I is benzylic bromide, it is very reactive in $S _N 1$ also as if produces stable benzylic carbonation.
BETA
