Chemistry Practice Problems Reaction Mechanism Practice Problems Solution: Which of the following is a plausible reaction mec...

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Solution: Which of the following is a plausible reaction mechanism for 2 H 2 + O2 → 2 H2O, given that the reaction was found to have a rate law of Rate = k [H2] 2? A.) 2 H2 + O2 → 2H2O slow B.) H2 + O2 → 2 OH slow OH + H2 → H2O + H OH + H → H2O C.) H2 + H2 → 4 H slow  2 H + O2 → 2 OH H + OH → H2O H + OH → H2O D.) H2 + H2 → 4 H slow 4 H + O2 → 2 H2O  

Problem

Which of the following is a plausible reaction mechanism for 2 H 2 + O2 → 2 H2O, given that the reaction was found to have a rate law of Rate = k [H2] 2?

A.) 2 H2 + O2 → 2H2O slow

B.) H2 + O2 → 2 OH slow

OH + H2 → H2O + H

OH + H → H2O

C.) H2 + H2 → 4 H slow

 2 H + O2 → 2 OH

H + OH → H2O

H + OH → H2O

D.) H2 + H2 → 4 H slow

4 H + O2 → 2 H2O