Question

A possible mechanism for the gas phase reaction of NO and H2is as follows:
Step 1 2NO N2O2
Step 2 N2O2+ H2 N2O+ H2O
Step 3 N2O + H2 N2+ H2O
Which of the following statements concerning this mechanism is not directly supported by the information provided?
A) Step 1 is the rate determining step.
B) N2O2 is an intermediate.
C) There is no catalyst in this reaction.
D) The rate expression for step 1 is rate = k[NO]2.
E) All steps are bimolecular reactions.

Answer

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