At temperatures below 500 K, the reaction between carbon monoxide and nitrogen dioxide has the following rate

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At temperatures below 500 K, the reaction between carbon monoxide and nitrogen dioxideCO(g) + NO(g)  CO(g) + NO(g)

has the following rate equation: Rate = k[NO2]2. Which of the three mechanisms suggested here best agrees with the experimentally observed rate equation?

Mechanism 1 Single, elementary stepNO + CO  CO + NO

Mechanism 2 Two stepsSlow Fast NO + NO  NO3 + NO NO3 + CO  NO + CO

Mechanism 3 Two steps

Slow Fast NO  NO +0 O CO + O CO

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

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