Which of the following potential energy (PE) | vedclass

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(A) The $S_N^1$ reaction is a two-step mechanism involving the formation of a carbocation intermediate.In the first step,the leaving group departs to

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(A) The $S_N^1$ reaction is a two-step mechanism involving the formation of a carbocation intermediate.In the first step,the leaving group departs to form a carbocation,which is the rate-determining step and has a higher activation energy.In the second step,the nucleophile attacks the carbocation,which has a lower activation energy.Therefore,the potential energy diagram must show two peaks,where the first transition state $(T.S. I)$ is higher in energy than the second transition state $(T.S. II)$.

Which of the following potential energy $(PE)$ diagrams represents the $S_N^1$ reaction?

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