Mechanism II: S1 (FAST): 2Br` (aq) + H₂O₂(aq) + 2 H¹(aq) → Br₂(aq) + 2 H₂O(l) S2 (SLOW): Br₂(aq) + H₂O₂ (aq) → 2 Br¨(aq) + 2 H+ (aq) + O₂(g) Mechanism I and II Mechanism II only Neither Mechanism I or II Mechanism I only

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Mechanism II:
S1 (FAST): 2Br¯ (aq) + H₂O₂(aq) + 2 H+(aq) → Br₂(aq) + 2 H₂O(l)
S2 (SLOW): Br₂(aq) + H₂O₂ (aq) → 2 Br (aq) + 2 H+ (aq) + O₂(g)
Mechanism I and II
Mechanism II only
Neither Mechanism I or II
Mechanism I only
Transcribed Image Text:Mechanism II: S1 (FAST): 2Br¯ (aq) + H₂O₂(aq) + 2 H+(aq) → Br₂(aq) + 2 H₂O(l) S2 (SLOW): Br₂(aq) + H₂O₂ (aq) → 2 Br (aq) + 2 H+ (aq) + O₂(g) Mechanism I and II Mechanism II only Neither Mechanism I or II Mechanism I only
The rate of the overall reaction
2 H2O, (aq) — }2 H2O(I) + O2(g)
changes with the concentration of H₂O2 as shown below:
V
RATE
[H₂O₂]
Which of the following mechanisms predicts this behavior?
Mechanism l:
S1 (SLOW): 2Br (aq) + H₂O₂(aq) + 2 H+ (aq) →Br₂(aq) + 2 H₂O(l)
S2 (FAST): Br₂(aq) + H₂O₂ (aq) → 2 Br (aq) + 2 H+ (aq) + O₂(g)
6:50 PM
Transcribed Image Text:The rate of the overall reaction 2 H2O, (aq) — }2 H2O(I) + O2(g) changes with the concentration of H₂O2 as shown below: V RATE [H₂O₂] Which of the following mechanisms predicts this behavior? Mechanism l: S1 (SLOW): 2Br (aq) + H₂O₂(aq) + 2 H+ (aq) →Br₂(aq) + 2 H₂O(l) S2 (FAST): Br₂(aq) + H₂O₂ (aq) → 2 Br (aq) + 2 H+ (aq) + O₂(g) 6:50 PM
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