4.) The overall reaction 2NO2(g) + F2(g) →2NO2F(g) has an experimental rate law Rate = k[NO2][F2]. The accepted two step mechanism is: %3D (1) NO2(g) + F2(g) → NO2F(g) + F(g) (2) NO2(g) + F(g) → NO,F(g) [slow; rate determining] [fast] a. Write the rate laws for each of the elementary steps. b. What is the molecularity for each step? C. Show how the elementary steps sum to the overall balanced equation: d. Which species (if any) are intermediates? Which step is rate-limiting? e. f. Is the mechanism reasonable and consistent with the observed rate law? Explain

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4.) The overall reaction 2NO2(g) + F2(g) →2NO2F(g) has an experimental rate law
Rate = k[NO2][F2]. The accepted two step mechanism is:
%3D
(1) NO2(g) + F2(g) → NO2F(g) + F(g)
(2) NO2(g) + F(g) → NO,F(g)
[slow; rate determining]
[fast]
a.
Write the rate laws for each of the elementary steps.
b. What is the molecularity for each step?
C.
Show how the elementary steps sum to the overall balanced equation:
d. Which species (if any) are intermediates?
Which step is rate-limiting?
e.
f.
Is the mechanism reasonable and consistent with the observed rate law? Explain
Transcribed Image Text:4.) The overall reaction 2NO2(g) + F2(g) →2NO2F(g) has an experimental rate law Rate = k[NO2][F2]. The accepted two step mechanism is: %3D (1) NO2(g) + F2(g) → NO2F(g) + F(g) (2) NO2(g) + F(g) → NO,F(g) [slow; rate determining] [fast] a. Write the rate laws for each of the elementary steps. b. What is the molecularity for each step? C. Show how the elementary steps sum to the overall balanced equation: d. Which species (if any) are intermediates? Which step is rate-limiting? e. f. Is the mechanism reasonable and consistent with the observed rate law? Explain
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