Which one of the following compounds is inact | vedclass

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(C) $S_N1$ reactions proceed via the formation of a carbocation intermediate. The stability of the carbocation determines the reactivity.In $1$-chloro

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$1-$Chlorobicyclo[$2.2$.$1$]heptane

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(C) $S_N1$ reactions proceed via the formation of a carbocation intermediate. The stability of the carbocation determines the reactivity.In $1$-chlorobicyclo$[2.2.1]$heptane,the bridgehead carbon atom is involved in the formation of a carbocation. According to Bredt's rule,a double bond or a carbocation cannot exist at the bridgehead position of a small bicyclic system because it would introduce excessive strain and prevent the carbocation from achieving the required planar $sp^2$ hybridization.Therefore,the formation of the carbocation at the bridgehead position is extremely difficult,making this compound inactive towards $S_N1$ reactions.

Which one of the following compounds is inactive towards $S_N1$ reaction?

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