Consider the following proposed mechanism for the reaction in the presence of the…

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

Consider the following proposed mechanism for the reaction A+I→B\text{A} + \text{I} \rightarrow \text{B} in the presence of the homogeneous catalyst M\text{M}. (1) M+I⇌MI\text{M} + \text{I} \rightleftharpoons \text{MI} (fast, reversible) (2) MI+A→M+B\text{MI} + \text{A} \rightarrow \text{M} + \text{B} (slow) Which of the following rate laws is most consistent with this mechanism? (a) rate =k[A]=k[\text{A}] (b) rate =k[A][M]=k[\text{A}][\text{M}] (c) rate =k[A][I]=k[\text{A}][\text{I}] (d) rate =k[A][M][I]=k[\text{A}][\text{M}][\text{I}]

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