Which of the following statements are correct about the kinetics of this reaction ?

Options

A. The rate of reaction depends on the concentration of only (ii)
B. The rate of reaction depends on concentration of both (i) and (ii)
C. Moleculirity of reaction is one
D. Molecularity of reaction is two

Answer

A, C

Explanation

The above reaction follows `S_(N)1` mechanism. In `S_(N)1` mechanism formation of carbocation is a slow step. So, the rate of reaction depends upon the concentration of (ii). So, the rate of reaction depends upon the concentration of only (ii) therefore, molecularity of reaction is one.