Chemistry, 21.02.2020 05:59 jessica94866
8. A proposed mechanism for the decomposition of hydrogen peroxide (H2O2) consists of three elementary steps:
H2O2(g) β 2OH(g)
H2O2(g) + OH(g) β H2O(g) + HO2(g)
HO2(g) + OH(g) β H2O(g) + O2(g)
The rate law of the reaction is first order with respect to H2O2(g). Which step of the mechanism is the rate-determining step?
A. The first step.
B. The third step.
C. Reactions in the gas phase do not have rate determining steps.
D. Steps 1 and 2 are both rate detemining steps.
E. The second step.
Answers: 2
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8. A proposed mechanism for the decomposition of hydrogen peroxide (H2O2) consists of three elementa...
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