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(D) The reactivity of a compound towards $S_{N^1}$ reaction depends on the stability of the carbocation intermediate formed after the departure of the

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$1-$Methyl$-3-$chlorocyclohexene

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(D) The reactivity of a compound towards $S_{N^1}$ reaction depends on the stability of the carbocation intermediate formed after the departure of the leaving group $(Cl^-)$.$A$: Chlorocyclohexane forms a secondary $(2^{\circ})$ carbocation.$B$: $3-$Chlorocyclohexene forms an allylic carbocation,which is stabilized by resonance.$C$: $1-$Methyl$-1-$chlorocyclohexane forms a tertiary $(3^{\circ})$ carbocation.$D$: $1-$Methyl$-3-$chlorocyclohexene forms an allylic carbocation that is also tertiary $(3^{\circ})$,making it the most stable carbocation among the given options due to both resonance stabilization and the inductive effect of the methyl group.Therefore,the compound in option $D$ is the most reactive towards $S_{N^1}$ reaction.

Which of the following compounds is most reactive towards $S_{N^1}$ reaction?

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