when concentration of reactant is incresed eighteen times the rate becomes two times , the rate of reaction is

Options

A. `1`
B. `(1)/(2)`
C. `(1)/(3) `
D. `(1)/(4)`

Answer

C

Explanation

`(k_(2))/(k_(1))[(A_(2))/(A_(1))]^(n) or 2=(8)^(n) therefore = (1)/(3)`