HOBr + H+ + Br– → Br2 + H2O (fast) Which of the following statements is correct?   A) The overall reaction equation is 2H+ + H2O2 + 2Br– → Br2 + H2O B) Rate = k[H2O2][H+][Br–] C) H+ is a catalyst. D) H2O is a reaction intermediate.

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
Section: Chapter Questions
Problem 60QRT
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The oxidation of bromide ions is thought to occur by the following mechanism:

H+ + H2O2 ↔ H2O+–OH (rapid equilibrium)

H2O+–OH + Br → HOBr + H2O (slow)

HOBr + H+ + Br → Br2 + H2O (fast)

Which of the following statements is correct?

 

A) The overall reaction equation is 2H+ + H2O2 + 2Br → Br2 + H2O

B) Rate = k[H2O2][H+][Br]

C) H+ is a catalyst.

D) H2O is a reaction intermediate.

 

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