(C) The $S_{N}2$ reaction is a second-order reaction where the rate depends on the concentration of both the substrate and the nucleophile. Statement

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The rate of an $S_{N}2$ reaction does not depend on the concentrations of both the substrate and the nucleophilic reagent.

(C) The $S_{N}2$ reaction is a second-order reaction where the rate depends on the concentration of both the substrate and the nucleophile. Statement $C$ is incorrect because the rate law for an $S_{N}2$ reaction is given by $\text{Rate} = k[\text{Substrate}][\text{Nucleophile}]$,meaning it is dependent on both concentrations.

Class 12 Chemistry Haloalkanes and Haloarenes Properties of Haloalkanes

Easy

Which of the following statements is incorrect for a bimolecular nucleophilic substitution reaction $(S_{N}2)$?

GUJCET 2014 All GUJCET

A
It is a second-order reaction.
B
In an $S_{N}2$ reaction,the substrate does not undergo heterolytic fission.
C
The rate of an $S_{N}2$ reaction does not depend on the concentrations of both the substrate and the nucleophilic reagent.
D
$S_{N}2$ reaction occurs in a single step without forming an intermediate.