Reaction 1 has a rate constant whose units are

CHEMISTRY · Single correct · A Level · Chemistry · Rate equations · Rate equations

Problem

Reaction 1 has a rate constant whose units are M−2 s−1M^{-2}\,\text{s}^{-1}, whereas Reaction 2 has a rate constant whose units are s−1s^{-1}. Which of the following best compares the overall reaction orders? (a) Reaction 1 is second-order overall, and Reaction 2 is zero-order overall. (b) Reaction 1 is third-order overall, and Reaction 2 is zero-order overall. (c) Reaction 1 is third-order overall, and Reaction 2 is first-order overall. (d) Reaction 1 is second-order overall, and Reaction 2 is first-order overall.

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