You have studied the gas-phase oxidation of HCI by 02: 4 HCl(g) + O₂(→2 H₂O + 2 Cl₂0 You find the reaction to be first order with respect to HCI and first order with respect to O₂. You propose the following mechanism: HCl( + O₂() →HOOCI(g) HOOCI(g) + HCl → 2 HOCI(g) HOCI + HCl →H₂O+ Cl₂(8) (a) Confirm that the elementary reactions add to give the overall reaction. (b) Based on the experimentally determined rate law, which step is rate determining? (c) What are the intermediates in this mechanism? (d) If you are unable to detect HOCI or HOOCL among the products, does this disprove your mechanism?
You have studied the gas-phase oxidation of HCI by 02: 4 HCl(g) + O₂(→2 H₂O + 2 Cl₂0 You find the reaction to be first order with respect to HCI and first order with respect to O₂. You propose the following mechanism: HCl( + O₂() →HOOCI(g) HOOCI(g) + HCl → 2 HOCI(g) HOCI + HCl →H₂O+ Cl₂(8) (a) Confirm that the elementary reactions add to give the overall reaction. (b) Based on the experimentally determined rate law, which step is rate determining? (c) What are the intermediates in this mechanism? (d) If you are unable to detect HOCI or HOOCL among the products, does this disprove your mechanism?
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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Transcribed Image Text:You have studied the gas-phase oxidation of HCI by 02:
4 HCl(g) + O2(g) → 2 H₂O + 2 Cl
You find the reaction to be first order with respect to HCI and first order with respect to O₂-
You propose the following mechanism:
HCl + O₂(g) →HOOCI(g)
HOOCI(g) + HCl → 2 HOCI
HOCl + HCl → H₂O + Cl₂(8)
(a) Confirm that the elementary reactions add to give the overall reaction. (b) Based on the
experimentally determined rate law, which step is rate determining? (c) What are the
intermediates in this mechanism? (d) If you are unable to detect HOCI or HOOCL among the
products, does this disprove your mechanism?
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