Which among the following is most reactive via $\mathrm{S}_{\mathrm{N}} 2$ mechanism

Which among the following is most reactive via $\mathrm{S}_{\mathrm{N}} 2$ mechanism

Solution

$\mathrm{Br}$ attached to secondary carbon undergoes steric hindrance in order to occur $\mathrm{S}_{\mathrm{N}} 2$ reaction.

Asked in: AP EAMCET 2022 (08 Jul Shift 1)

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