Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
Which of the following haloalkanes is least reactive towards an SN2 reaction?
A
1-Bromopentane
B
2-Bromo-2-methylbutane
C
2-Bromopentane
D
1-Bromo-2,2-dimethylpropane
Correct Answer
Option B
Detailed Explanation
In SN2 reactions, reactivity is influenced by steric hindrance. 2-Bromo-2-methylbutane is a tertiary haloalkane, which experiences the most steric hindrance, making it the least reactive towards SN2 reactions.
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