IN the reaction, ` 2NO + CI_(2) to 2NOCI` it has been found that doubling the concentration of both the reactants increases the rate by a factor of eight but doubling the chlorine concentration alone only doubles the rate. Which of the following statements is incorrect ?
A. The reaction is first order in ` CI_(2)`
B. The reaction is second order in NO.
C. The overall order of reaction is 2.
D. The overall order of reaction is 3.
