A proposed mechanism for the reaction 2O3 ---> 3O2 is shown below. NO + O3 ---> NO2 + O2              (slow) NO2 + O3 ---> NO + 2O2           (fast) What is the rate law consistent with this mechanism?单项选择题

A

rate = k[NO][O3]

B

rate = k[NO2][O3]

C

rate = k[NO][O3]2[NO2]

D

rate = k[O3]2

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