10. The experimental rate law for the decomposition of nitrous oxide (N₂O) to N₂ and O₂ is Rate = k[N₂O]². Two mechanisms are proposed: I. NO → N,+0 N₂O +0 N₂ + O₂ II. 2N₂ON40₂ N4O₂ → 2N₂ + O₂ Which of the following could be a correct mechanism? A) Mechanism I with the first step as the rate-determining step. B) Mechanism I with the second step as the rate-determining step. C) Mechanism II with the second step as the rate-determining step. Two of these could be correct. None of these could be correct. D)

Chemistry & Chemical Reactivity
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Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
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10. The experimental rate law for the decomposition of nitrous oxide (N₂O) to N₂ and O₂ is
Rate = k[N₂O]2. Two mechanisms are proposed:
I. NO → N,+0
→ +O
NO+0→ N2+O2
II. 2N₂O
2N₂0
N4O₂
N4O₂ → 2N₂ + O₂
Which of the following could be a correct mechanism?
A) Mechanism I with the first step as the rate-determining step.
B) Mechanism I with the second step as the rate-determining step.
C) Mechanism II with the second step as the rate-determining step.
D) Two of these could be correct.
E) None of these could be correct.
Transcribed Image Text:10. The experimental rate law for the decomposition of nitrous oxide (N₂O) to N₂ and O₂ is Rate = k[N₂O]2. Two mechanisms are proposed: I. NO → N,+0 → +O NO+0→ N2+O2 II. 2N₂O 2N₂0 N4O₂ N4O₂ → 2N₂ + O₂ Which of the following could be a correct mechanism? A) Mechanism I with the first step as the rate-determining step. B) Mechanism I with the second step as the rate-determining step. C) Mechanism II with the second step as the rate-determining step. D) Two of these could be correct. E) None of these could be correct.
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