The following three-step mechanism has been proposed for the reaction of chlorine (Cl2) with chloroform (CHCl3): Cl2 (g) <-> 2 Cl (g) (fast) Cl (g) + CHCl3 (g) --> HCl (g) + CCl3 (g) (slow) CCl3 (g) + Cl (g) --> CCl4 (g) (fast) The numerical values of the rate constants for the steps are: k1 = 4800, k-1 = 3600, k2 = 0.013, and k3 = 0.027. What rate law is predicted by this mechanism? What is the value of kobs for this mechanism?
The following three-step mechanism has been proposed for the reaction of chlorine (Cl2) with chloroform (CHCl3): Cl2 (g) <-> 2 Cl (g) (fast) Cl (g) + CHCl3 (g) --> HCl (g) + CCl3 (g) (slow) CCl3 (g) + Cl (g) --> CCl4 (g) (fast) The numerical values of the rate constants for the steps are: k1 = 4800, k-1 = 3600, k2 = 0.013, and k3 = 0.027. What rate law is predicted by this mechanism? What is the value of kobs for this mechanism?
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter16: Reaction Rates
Section: Chapter Questions
Problem 79A
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The following three-step mechanism has been proposed for the reaction of chlorine (Cl2)
with chloroform (CHCl3):
- Cl2 (g) <-> 2 Cl (g) (fast)
- Cl (g) + CHCl3 (g) --> HCl (g) + CCl3 (g) (slow)
- CCl3 (g) + Cl (g) --> CCl4 (g) (fast)
The numerical values of the rate constants for the steps are: k1 = 4800, k-1 = 3600, k2 = 0.013, and k3 = 0.027.
- What rate law is predicted by this mechanism?
- What is the value of kobs for this mechanism?
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