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Consider the following for the mechanism oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. Elementary Step 1 H+ + H₂O₂ = {H₂O*- 2 OH) (rapid equilibrium) Elementary Step 2 (H₂O+-OH) + Br¯ → HOBr + H₂O (slowest) Elementary Step 3 HOBr + H+ + Br¯ → Br₂ + H₂O (fast) Consider the reaction profile below. Approximate the AH for the overall reaction.

Consider the following for the mechanism oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. Elementary Step 1 H+ + H₂O₂ = {H₂O*- 2 OH) (rapid equilibrium) Elementary Step 2 (H₂O+-OH) + Br¯ → HOBr + H₂O (slowest) Elementary Step 3 HOBr + H+ + Br¯ → Br₂ + H₂O (fast) Consider the reaction profile below. Approximate the AH for the overall reaction.

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter7: Reaction Rates And Chemical Equilibrium
Section: Chapter Questions
Problem 7.11P: 7-11 Consider the following reaction: Suppose we start the reaction with an initial iodomethane...
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Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. Elementary Step 1 H+ + H₂O₂ = {H₂O*- 2 OH) (rapid equilibrium) Elementary Step 2 (H₂O-OH) + Br¯ → HOBr + H₂O (slowest) Elementary Step 3 HOBr + H+ + Br¯ → Br₂ + H₂O (fast) Consider the reaction profile below. Approximate the AH for the overall reaction.
Transcribed Image Text:Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. Elementary Step 1 H+ + H₂O₂ = {H₂O*- 2 OH) (rapid equilibrium) Elementary Step 2 (H₂O-OH) + Br¯ → HOBr + H₂O (slowest) Elementary Step 3 HOBr + H+ + Br¯ → Br₂ + H₂O (fast) Consider the reaction profile below. Approximate the AH for the overall reaction.
Potential Energy (kJ/mol) Reacton Profile 360 280 160 140 100 60 O Reaction Progress
Transcribed Image Text:Potential Energy (kJ/mol) Reacton Profile 360 280 160 140 100 60 O Reaction Progress
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