The oxidation of nitrogen dioxide by chlorine gas proceeds by the following mechanism.
Step 1 (slow): NO2 + Cl2 → NO2Cl + Cl
Step 2 (fast): NO2 + Cl → NO2Cl
What rate law for the overall reaction is predicted by this mechanism?
a) k[NO2][Cl]
b) k[Cl2]
c) k[NO2][Cl2]
d) k[NO2]2[Cl2]