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(B) The rate of $S_N1$ reaction depends on the stability of the carbocation intermediate formed during the rate-determining step.In compound $(B)$ (be

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Benzyl chloride

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(B) The rate of $S_N1$ reaction depends on the stability of the carbocation intermediate formed during the rate-determining step.In compound $(B)$ (benzyl chloride),the carbocation formed is the benzyl carbocation $(C_6H_5CH_2^+)$,which is resonance-stabilized by the benzene ring.In compound $(A)$ (cyclohexylmethyl chloride),the carbocation formed is a primary alkyl carbocation,which is not resonance-stabilized and is less stable than the benzyl carbocation.Since the benzyl carbocation is more stable,compound $(B)$ will undergo $S_N1$ reaction faster than compound $(A)$.

Which of the following compounds would undergo $S_N1$ reaction faster and why?
$(A)$ Cyclohexylmethyl chloride
$(B)$ Benzyl chloride

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Which of the following compounds would undergo $S_N1$ reaction faster and why?$(A)$ Cyclohexylmethyl chloride$(B)$ Benzyl chloride