Which of the following statements about the S | vedclass

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(A, B, C) The $S_{N}2$ reaction is a bimolecular nucleophilic substitution reaction. $1$. The rate of reaction depends on the concentration of both th

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Tertiary butyl substrates do not follow this mechanism.

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(A, B, C) The $S_{N}2$ reaction is a bimolecular nucleophilic substitution reaction. $1$. The rate of reaction depends on the concentration of both the substrate and the nucleophile, hence it is a second-order reaction. $2$. The rate increases with the strength of the nucleophile (nucleophilicity). $3$. Tertiary substrates are sterically hindered, making $S_{N}2$ reactions extremely slow or impossible. $4$. Optical rotation change is not guaranteed; it depends on the priority of the incoming nucleophile compared to the leaving group according to Cahn-Ingold-Prelog rules. Therefore, statements $A$, $B$, and $C$ are true.

Which of the following statements about the $S_{N}2$ reaction mechanism is/are true?

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