Among the given halides, which one will give same product in both $\mathrm{S}_{\mathrm{N}} 1$ and…

Among the given halides, which one will give same product in both $\mathrm{S}_{\mathrm{N}} 1$ and $\mathrm{S}_{\mathrm{N}} 2$ reactions? (I)
(II)
(III)
(IV)
  1. (III) only
  2. (I) and (II)
  3. (III) and (IV)
  4. (I), (III) and (IV)

Solution

$\mathrm{S}_{\mathrm{N}} 2$ and $\mathrm{S}_{\mathrm{N}} 1$ same, if $\mathrm{C}^{+}$ not rearrange. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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