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)
(III) only
(I) and (II)
(III) and (IV)
(I), (III) and (IV)
Solution
$\mathrm{S}_{\mathrm{N}} 2$ and $\mathrm{S}_{\mathrm{N}} 1$ same, if $\mathrm{C}^{+}$ not rearrange.
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