10) The decomposition of hydrogen peroxide can be catalyzed by manganese dioxide, potassium iodide orsodium bromide. Consider the proposed mechanism involving bromide ion. Which statement is TRUE?H* + BrH2O2 + 2 HBr→ HBr→ Br2 + 2 H2O→ 2 Br + 2 H* + O2fast equilibriumslowBr2 + H2O2fasta) HBr is also a catalystb) The rate law is first order with respect to H2O2c) O2 is an intermediated) The fast equilibrium means that the reaction is zero order with respect to H* and Bre) The second step has the smallest activation energy.

At fast equilibrium, the concentrations will be constant as they already have had attained…

10) The decomposition of hydrogen peroxide can be catalyzed by manganese dioxide, potassium iodide or sodium bromide. Consider the proposed mechanism involving bromide ion. Which statement is TRUE? H* + Br H2O2 + 2 HBr Br2 + H2O2 → HBr → Br2 + 2 H2O → 2 Br + 2 H* + O2 fast equilibrium slow fast a) HBr is also a catalyst b) The rate law is first order with respect to H2O2 c) O2 is an intermediate d) The fast equilibrium means that the reaction is zero order with respect to H* and Br e) The second step has the smallest activation energy.

10) The decomposition of hydrogen peroxide can be catalyzed by manganese dioxide, potassium iodide or sodium bromide. Consider the proposed mechanism involving bromide ion. Which statement is TRUE? H* + Br H2O2 + 2 HBr Br2 + H2O2 → HBr → Br2 + 2 H2O → 2 Br + 2 H* + O2 fast equilibrium slow fast a) HBr is also a catalyst b) The rate law is first order with respect to H2O2 c) O2 is an intermediate d) The fast equilibrium means that the reaction is zero order with respect to H* and Br e) The second step has the smallest activation energy.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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