Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
Which of the following haloalkanes is expected to have the highest reactivity towards an S_N2 displacement reaction?
A
1-Bromopentane
B
2-Bromo-2-methylbutane
C
2-Bromo-3-methylbutane
D
1-Bromo-2,2-dimethylpropane
Correct Answer
Option A
Detailed Explanation
In S_N2 reactions, primary haloalkanes like 1-Bromopentane are more reactive due to less steric hindrance compared to secondary or tertiary haloalkanes.
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