Consider the proposed mechanism for the reaction, CHCI3(g) + Cl2(g) HCI(g) + CCI4(g) --> (1 - fast) Cl2(g) = 2 CI(g) (2 - slow) CI(g) + CHCI3(g) HCI(g) + CCI3(g) --> (3 - fast) CI(g) + CCI3(g) --> A student proposes that the reaction rate law is rate = k [CI] [CHCI3]. Why is this incorrect? %3D (Choose the best answer.) The student's proposed rate law is not based on the rate-determining step in the mechanism. The rate orders with respect to Cl and CHCI3 match the stoichiometric coefficients for these compounds in step (2). It is always the last step in a mechanism that determines the rate law and CHCI3 is not in step (3). Clis in the proposed rate law. CI is an intermediate and only reactants and products that appear in the ove reaction equation may be in the reaction rate law.
Consider the proposed mechanism for the reaction, CHCI3(g) + Cl2(g) HCI(g) + CCI4(g) --> (1 - fast) Cl2(g) = 2 CI(g) (2 - slow) CI(g) + CHCI3(g) HCI(g) + CCI3(g) --> (3 - fast) CI(g) + CCI3(g) --> A student proposes that the reaction rate law is rate = k [CI] [CHCI3]. Why is this incorrect? %3D (Choose the best answer.) The student's proposed rate law is not based on the rate-determining step in the mechanism. The rate orders with respect to Cl and CHCI3 match the stoichiometric coefficients for these compounds in step (2). It is always the last step in a mechanism that determines the rate law and CHCI3 is not in step (3). Clis in the proposed rate law. CI is an intermediate and only reactants and products that appear in the ove reaction equation may be in the reaction rate law.
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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