Chemical kinetics - reactants of the slow step of a reaction

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Reference no: EM1317162

Chemical Kinetics - Show that only the reactants of the slow step of a reaction are found in the rate law of the reaction.

Consider the following reaction:
NO2 + CO → NO + CO2

A suggested mechanism for the above reaction is given below:

NO2 + NO2 → NO3 + NO ------------ (step-1)

NO3 + CO → NO2 + CO2 ------------ (step-2)

If the rate law is known to be k[NO2]2,
a) which of the two steps is slower?
b) which substance (if any) is probably an unstable intermediate?

Reference no: EM1317162

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