One of the components of smog is ozone, O3, a colorless, toxic gas. It is a very strong oxidizing agent and causes respiratory illnesses. Ozone is produced in the lower atmosphere due to the catalytic effect of nitri oxide, NO, a byproduct of the combustion process in car engines. The following questions refer to the production f ozone, O3(g), according to the mechanism shown below: step 1: NO(g) + 1/2 O₂(9) NO₂(9) step 2: step 3: O2(g) + 0(g) → 03 (9) Mark each of the following statements as either True or False: (slow) NO₂(g) → NO(g) + O(g) (fast) (fast) The sum of the three steps is equal to the overall reaction: 3/2 O₂(g) → 03(g). The rate law of this mechanism is rate = K[0₂][0]. ✓NO is a catalyst in this reaction mechanism. Step 3 of the mechanism is bimolecular. Step 2 is a unimolecular.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter14: Chemical Equilibrium
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One of the components of smog is ozone, 03, a colorless, toxic gas. It is a very strong oxidizing agent and causes respiratory illnesses. Ozone is produced in the lower atmosphere due to the catalytic effect of nitric
oxide, NO, a byproduct of the combustion process in car engines.
The following questions refer to the production of ozone, O3(g), according to the mechanism shown below:
(slow)
NO₂(g) → NO(g) + O(g) (fast)
(fast)
step 1: NO(g) + 1/2 O₂(g) → NO₂(g)
step 2:
step 3:
O₂(g) + 0(g) → 03(g)
Mark each of the following statements as either True or False:
The sum of the three steps is equal to the overall reaction: 3/2 O₂(g) → 03(g).
The rate law of this mechanism is rate = k[0₂][0].
NO is a catalyst in this reaction mechanism.
✓ Step 3 of the mechanism is bimolecular.
✓ Step 2 is a unimolecular.
NO is an intermediate formed in this reaction mechanism.
Transcribed Image Text:One of the components of smog is ozone, 03, a colorless, toxic gas. It is a very strong oxidizing agent and causes respiratory illnesses. Ozone is produced in the lower atmosphere due to the catalytic effect of nitric oxide, NO, a byproduct of the combustion process in car engines. The following questions refer to the production of ozone, O3(g), according to the mechanism shown below: (slow) NO₂(g) → NO(g) + O(g) (fast) (fast) step 1: NO(g) + 1/2 O₂(g) → NO₂(g) step 2: step 3: O₂(g) + 0(g) → 03(g) Mark each of the following statements as either True or False: The sum of the three steps is equal to the overall reaction: 3/2 O₂(g) → 03(g). The rate law of this mechanism is rate = k[0₂][0]. NO is a catalyst in this reaction mechanism. ✓ Step 3 of the mechanism is bimolecular. ✓ Step 2 is a unimolecular. NO is an intermediate formed in this reaction mechanism.
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