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Is no2(g)+co(g)→no(g)+co2(g) an elementary reaction? Rate = k[NO2]^2 Please explain if possible why It is or...

Is no2(g)+co(g)→no(g)+co2(g) an elementary reaction? Rate = k[NO2]^2

Please explain if possible why It is or is not an elementary reaction

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Answer #1

For elementary reaction, corresponding stoichiometry is only the order of the reaction with respect to that reactant. So, as in the reaction, stoichiometry of NO2 is 1 but according to the given rate law the order the reaction w.r.t to NO2 is 2. Therefore, the reaction stated is not elementary reaction.

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