Potential Energy (kJ/mol) Reacton Profile 360 280 160 140 100 60 0 Reaction Progress

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 7.83P
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Question
Consider the following
mechanism for the
oxidation of bromide
ions by hydrogen
peroxide in aqueous
acid solution.
Elementary Step 1
H* + H₂O₂ = {H₂O*-
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. What is
the approximate
potential energy for the
activated complex (AC)
of elementary step 1?
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*- 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. What is the approximate potential energy for the activated complex (AC) of elementary step 1?
Potential Energy (kJ/mol)
Potential Energy (kJ/mol)
Reacton Profile
360
280
160
140
100
60
0
Reaction Progress
Transcribed Image Text:Potential Energy (kJ/mol) Potential Energy (kJ/mol) Reacton Profile 360 280 160 140 100 60 0 Reaction Progress
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