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A proposed mechanism for the decomposition of N 2 O 5 is as follows:N 2 O 5 NO 2

ID: 790063 • Letter: A

Question

A proposed mechanism for the decomposition of N2O5 is as follows:N2O5  NO2 + NO3         slow stepNO2 + NO3  NO2 + O2+ NO        fast stepNO + N2O5  3NO2         fast stepWhat is the rate law predicted by this mechanism? Answer Rate = k1[N2O5] Rate = k2[NO2][NO3] Rate = k3[NO][N2O5] Rate = k1k2[N2O5][NO2][NO3] Rate = k1k2k3[N2O5]2 A proposed mechanism for the decomposition of N2O5 is as follows:N2O5  NO2 + NO3         slow stepNO2 + NO3  NO2 + O2+ NO        fast stepNO + N2O5  3NO2         fast stepWhat is the rate law predicted by this mechanism? A proposed mechanism for the decomposition of N2O5 is as follows:N2O5  NO2 + NO3         slow stepNO2 + NO3  NO2 + O2+ NO        fast stepNO + N2O5  3NO2         fast stepWhat is the rate law predicted by this mechanism? Rate = k1[N2O5] Rate = k2[NO2][NO3] Rate = k3[NO][N2O5] Rate = k1k2[N2O5][NO2][NO3] Rate = k1k2k3[N2O5]2 Rate = k1[N2O5] Rate = k2[NO2][NO3] Rate = k3[NO][N2O5] Rate = k1k2[N2O5][NO2][NO3] Rate = k1k2k3[N2O5]2

Explanation / Answer

rate law can be decided based on slow step of the reaction mechanism


Rate = k1[N2O5]

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