The mechanism for the reaction 2 H2O2(aq) ® 2 H2O() + O2(g) in the presence of I-(aq) is proposed to be:
Step 1: H2O2(aq) + I-(aq) ® H2O(l) + OI-(aq) (slow)
Step 2: H2O2(aq) + OI-(aq) ® H2O(l) + O2(g) + I-(aq) (fast)
What is the rate law for the overall reaction?