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The reaction H2O2(aq) + 3 I‒(aq) + 2 H+(aq)  I3‒(aq) + 2 H2O(l) has a rate law of rate = k[H2O2][I‒Kinetics Chemistry Question

Question

The reaction
H2O2(aq) + 3 I‒(aq) + 2 H+(aq)  I3‒(aq) + 2 H2O(l)
has a rate law of rate = k[H2O2][I‒]. What is the order of the reaction with respect to H+, and what is the overall order of the reaction?

A.

0th order in H+, 2nd order overall

✓ Correct
B.

1st order in H+, 2nd order overall

C.

1st order in H+, 3rd order overall

D.

2nd order in H+, 6th order overall

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