The mechanism for the reaction 2 H2O2(aq) à 2 H2O(l) + O2(g) in the presence of I–(aq) is proposed to be:
Step 1: H2O2(aq) + I–(aq) à H2O(l) + OI–(aq) (slow)
Step 2: H2O2(aq) + OI–(aq) à H2O(l) + O2(g) + I–(aq) (fast)
What is the rate law for the overall reaction?
a. Rate = k[H2O2]2
b. Rate = k[H2O2][I–]
c. Rate = k[H2O2]2[I–]/[H2O]
d. Rate = k[H2O2][OI–]
e. Rate = k[H2O2]
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