Which of the following statements regarding the`SN^2` reaction shown by alkyl halide is incorrect ?

Options

A. The reaction takes place is a single step
B. The `SN^2` reaction involves the inversion of the stereochemistry around carbon atom of the substrate
C. The rate of reaction depends on the steric bulk of the alkyl groups
D. The nucleophilicity of halides follows the order `Cl^(-) gt Br^(-) gt I^(-) `

Answer

D

Explanation

The nucleophilicity of halides follows the order `Cl^(-) gt Br^(-) gt I^(-) `