The reactivity of the halogen atom is minimum | vedclass

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Question

(A) The reactivity of alkyl halides towards nucleophilic substitution depends on the strength of the $C-X$ bond. Among the given options,the $C-Cl$ bo

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Propyl chloride

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(A) The reactivity of alkyl halides towards nucleophilic substitution depends on the strength of the $C-X$ bond. Among the given options,the $C-Cl$ bond is stronger than the $C-I$ and $C-Br$ bonds due to the smaller size of the chlorine atom. Between $n-$propyl chloride and isopropyl chloride,the $C-Cl$ bond in $n-$propyl chloride is less sterically hindered,but the reactivity is generally compared based on the bond dissociation energy and the stability of the carbocation formed. However,comparing the halogen atoms,the $C-Cl$ bond is the strongest,making it the least reactive. Comparing $n-$propyl chloride and isopropyl chloride,$n-$propyl chloride is generally less reactive in $S_N1$ reactions due to the formation of a less stable primary carbocation compared to the secondary carbocation formed by isopropyl chloride. Thus,$n-$propyl chloride exhibits the minimum reactivity among the choices provided.

The reactivity of the halogen atom is minimum in:

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