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The reaction 2NO(g) + O2(g) 2NO2(g) proceeds via the following steps...

This question belongs to Engineering Chemistry Chemical Kinetics
Chemical Kinetics
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The reaction, 2NO(g) + O2(g) → 2NO2(g) proceeds via the following steps:
NO + NO \[\xrightarrow{{{{\text{K}}_{\text{a}}}}}\] N2O2
N2O2 \[\xrightarrow{{{{\text{K}}_{{\text{a'}}}}}}\] NO + NO
N2O2 + O2 \[\xrightarrow[{\left( {{\text{slow}}} \right)}]{{{{\text{k}}_{\text{b}}}}}\]  NO2 + NO2
The rate of this reaction is equal to

Answer & Solution
Correct Answer: Option C
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