Which one of the following is more reactive t | vedclass

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(D) The $S_{N}2$ reaction mechanism involves a single-step process where the nucleophile attacks the electrophilic carbon from the backside,leading to

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$ CH_{3}X $

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(D) The $S_{N}2$ reaction mechanism involves a single-step process where the nucleophile attacks the electrophilic carbon from the backside,leading to the inversion of configuration.Steric hindrance plays a crucial role in the rate of $S_{N}2$ reactions.As the number of alkyl groups attached to the electrophilic carbon increases,the steric hindrance increases,which makes the approach of the nucleophile more difficult.The order of reactivity towards $S_{N}2$ is: $Methyl \ halide > 1^{\circ} \ alkyl \ halide > 2^{\circ} \ alkyl \ halide > 3^{\circ} \ alkyl \ halide$.Among the given options,$CH_{3}X$ is a methyl halide,which has the least steric hindrance and is therefore the most reactive towards $S_{N}2$ reactions.

Which one of the following is more reactive towards $S_{N}2$ reaction?

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