Question textThe overall reaction of decomposition of hydrogen peroxide: 2 H2O2 (aq) → 2 H2O (l) + O2 (g) The proposed mechanism: Step 1  H2O2 (aq) + I− (aq) → H2O (l) + IO− (aq) k1 Step 2  H2O2 (aq) + IO− (aq) → H2O (l) + I− (aq) + O2 (g) k2 Consider the role of the iodide ion (I−) It Answer 1 Question 7[select: , does, does not] appear in the mechanism. It appears as a 'reactant' in the Answer 2 Question 7[select: , first, second] step. It Answer 3 Question 7[select: , does, does not] affect the reaction rate. It leads to the formation of an intermediate and Answer 4 Question 7[select: , is, is not] regenerated at the end of the reaction. It is a Answer 5 Question 7[select: , reactant, catalyst, transition state, intermediate, product] Check Question 7多项填空题