A proposed mechanism for the reaction between and is given below

CHEMISTRY · Subjective · A Level · Chemistry · Introduction to organic chemistry · Introduction to organic chemistry

Problem

A proposed mechanism for the reaction between NO\mathrm{NO} and O3\mathrm{O_3} is given below. Step 1: NO2+O3→NO3+O2\mathrm{NO_2 + O_3 \rightarrow NO_3 + O_2} Step 2: NO3+NO→2 NO2\mathrm{NO_3 + NO \rightarrow 2\,NO_2} Explain why NO3\mathrm{NO_3} is classified as an intermediate in this mechanism.

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