Which of the following statement is INCORRECT for bimolecular nucleophilic substitution reaction `S_(N)2` ?

Options

A. It is a second order reaction.
B. In `(S_(N)2)` the substrate does not undergo heterolytic fission.
C. The rate of `(S_(N)2)` reaction does not depend on concentration of both substrate and nucleophilic reagent.
D. `(S_(N)2)` reaction occurs in single step without forming intermediate

Answer

C