The decomposition of nitramide, O₂NNH₂, in water has the chemical equation and rate law O₂NNH₂ (aq) - N₂O(g) + H₂O(1) [O₂NNH₂] [H+] A proposed mechanism for this reaction is k₁ 1. O₂NNH₂ (aq) = O₂NNH(aq) + H+ (aq) (fast equilibrium) k_1 k₂ 2. O₂NNH¯(aq) +² N₂O(g) + OH¯(aq) (slow) 3. H+ (aq) + OH-(aq) rate = k k3 H₂O(1) (fast)

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section11.7: Reaction Mechanisms
Problem 11.12E
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The decomposition of nitramide, O₂NNH₂, in water has the chemical equation and rate law
[O₂NNH₂]
[H+]
O₂NNH₂ (aq) →→→ N₂O(g) + H₂O(1)
A proposed mechanism for this reaction is
k₁
1. O₂NNH₂(aq) — 0₂NNH¯(aq) + H+ (aq)
O₂NNH(aq) + H+ (aq) (fast equilibrium)
k-1
k₂
2. O₂NNH(aq) → N₂O(g) + OH(aq) (slow)
k3
3. H+ (aq) + OH(aq) → H₂O(l) (fast)
rate =
k =
k.
What is the relationship between the observed value of k and the rate constants for the individual steps of the mechanism?
k1
Answer Bank
k_1
k2
k3
Transcribed Image Text:The decomposition of nitramide, O₂NNH₂, in water has the chemical equation and rate law [O₂NNH₂] [H+] O₂NNH₂ (aq) →→→ N₂O(g) + H₂O(1) A proposed mechanism for this reaction is k₁ 1. O₂NNH₂(aq) — 0₂NNH¯(aq) + H+ (aq) O₂NNH(aq) + H+ (aq) (fast equilibrium) k-1 k₂ 2. O₂NNH(aq) → N₂O(g) + OH(aq) (slow) k3 3. H+ (aq) + OH(aq) → H₂O(l) (fast) rate = k = k. What is the relationship between the observed value of k and the rate constants for the individual steps of the mechanism? k1 Answer Bank k_1 k2 k3
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