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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?

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  • Category:- Chemistry
  • Reference No.:- M919210

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