e) The following reaction pathway has been proposed for the pH range 3.5 to 7: S

Question

e) The following reaction pathway has been proposed for the pH range 3.5 to 7: Step 1 (slow) H_2O_2 + I^- rightarrow OH^- + HOI Step 2: (fast) H_3O + OH^- rightarrow 2 H_2O Step 3: (fast) HOI + H_3O^+ + I^- rightarrow I_2 + 2 H_2O Add the equations above. Do they give the overall reaction? According to your results, which of the steps would be the rate-determining step? If the proposed agrees with the experimental rate law, does this prove that the mechanism is correct and that no other pathway is possible? Defend your answer.

Explanation / Answer

To know that whether mechanism is correct or not we have to deterimine the dependance of rate of reaction with respect to each reactant, experimentaly. It gives the order with respect to each reactant.

the proposed mechanism may correlate with the experimetal rate law, which means it is correct.

However we can deduce other mechanism also so there is possibility of other mechanism always

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