4 The rate law for the reaction 2H₂(g) + 2NO(g) N₂(g) + 2H₂O(g) is rate = k[H₂][NO]. Which of the following mech- anisms can be ruled out on the basis of the observed rate expression? Mechanism I H₂ + NO N + NO O + H₂ H₂O + N N₂ + O H₂O Mechanism II H₂ + 2NON₂O + H₂O N₂O + H₂N₂ + H₂O Mechanism III 2NO-N₂0₂ N₂O₂ + H₂N₂O + H₂O N₂O + H₂ →→→→N₂ + H₂O (slow) (fast) (fast) (slow) (fast) (fast equilibrium) (slow) (fast)
4 The rate law for the reaction 2H₂(g) + 2NO(g) N₂(g) + 2H₂O(g) is rate = k[H₂][NO]. Which of the following mech- anisms can be ruled out on the basis of the observed rate expression? Mechanism I H₂ + NO N + NO O + H₂ H₂O + N N₂ + O H₂O Mechanism II H₂ + 2NON₂O + H₂O N₂O + H₂N₂ + H₂O Mechanism III 2NO-N₂0₂ N₂O₂ + H₂N₂O + H₂O N₂O + H₂ →→→→N₂ + H₂O (slow) (fast) (fast) (slow) (fast) (fast equilibrium) (slow) (fast)
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 8RQ
Related questions
Question
![13.54 The rate law for the reaction
2H₂(g) + 2NO(g)
N₂(g) + 2H₂O(g)
is rate = k[H₂][NO]. Which of the following mech-
anisms can be ruled out on the basis of the observed
rate expression?
Mechanism I
H₂ + NO→→→→→→ H₂O + N
N + NO
N₂ + O
O + H₂
H₂O
Mechanism II
H₂ + 2NO→→→N₂O + H₂O
N₂O + H₂N₂ + H₂O
Mechanism III
2NO=N₂0₂
N₂O₂ + H₂N₂O + H₂O
N₂O + H₂ →→N₂ + H₂O
(slow)
(fast)
(fast)
(slow)
(fast)
(fast equilibrium)
(slow)
(fast)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf84ec69-7815-45ca-a5a0-d1459d386cc1%2F658cda76-9317-4bca-9c66-905b40585899%2Fa5p4woy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:13.54 The rate law for the reaction
2H₂(g) + 2NO(g)
N₂(g) + 2H₂O(g)
is rate = k[H₂][NO]. Which of the following mech-
anisms can be ruled out on the basis of the observed
rate expression?
Mechanism I
H₂ + NO→→→→→→ H₂O + N
N + NO
N₂ + O
O + H₂
H₂O
Mechanism II
H₂ + 2NO→→→N₂O + H₂O
N₂O + H₂N₂ + H₂O
Mechanism III
2NO=N₂0₂
N₂O₂ + H₂N₂O + H₂O
N₂O + H₂ →→N₂ + H₂O
(slow)
(fast)
(fast)
(slow)
(fast)
(fast equilibrium)
(slow)
(fast)
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