Consider the following proposed mechanismHBr + HBr ⇄ H2Br2(fast, equilibrium)HBr + R ⇄ ES(fast, equilibrium)H2Br2 +ES→P+2HBr(slow) (1a) What is the overall reaction? (1b) Identify all catalysts and intermediates in this reaction mechanism. (1c) What is the rate law derived from this mechanism? (1d) If the experimentally determined rate law is rate = k [HBr]3[R]1 what conclusion can be drawn? (1e) If the experimentally determined rate law is rate = k [HBr]2 what conclusion can be drawn? The equilibrium constant (KC) is 10.0 x 10-10 at

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section11.7: Reaction Mechanisms
Problem 11.12E
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Consider the following proposed mechanism
HBr + HBr ⇄ H2Br2(fast, equilibrium)
HBr + R ⇄ ES(fast, equilibrium)
H2Br2 +ES→P+2HBr(slow)


(1a) What is the overall reaction?



(1b) Identify all catalysts and intermediates in this reaction mechanism.


(1c) What is the rate law derived from this mechanism?

(1d) If the experimentally determined rate law is rate = k [HBr]3[R]1 what conclusion can be drawn?


(1e) If the experimentally determined rate law is rate = k [HBr]2 what conclusion can be drawn?

The equilibrium constant (KC) is 10.0 x 10-10 at

 

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