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AP Chemistry
Unit 5 – Kinetics
Topic 5.4
The following mechanism is executed: (Step 1: H2O2 + I^- → IO^- + H2O) (Step 2: H2O2 + IO^- → H2O + O2 + I^-). Which statement is true about the overall reaction and rate law?
Overall Reaction: 2H2O2 → 2H2O + O2, Rate Law: (elementary step 1) rate = k[H2O2][I^-]
Overall Reaction: 2H2O2 → 2H2O + O2, Rate Law: (elementary step 1) rate = k[H2O2]^2
Overall Reaction: 2H2O2 + I^- → 2H2O + O2 + I^-, Rate Law: (elementary step 2) rate = k[H2O2][IO^-]
Overall Reaction: H2O2 → H2O + O2 + I^-, Rate Law: (elementary step 2) rate = k[H2O2]^2[IO^-]
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AP Chemistry - 5.4 Elementary Reactions
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Rate Law
H2O2
I^-
IO^-
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