Iron(II) ion is oxidized by chlorine in aqueous solution, the overall equation being 2 Fe2+ + Cl2 →2 Fe³* + 2 Cl- It is found experimentally that the rate of the overall reac- tion is decreased when either the iron(III) ion or the chloride-ion concentration is increased. Which of the fol- lowing possible mechanisms is consistent with the experi- mental observations? (a) (1) Fe²* + Cl, 2 Fe* + Cl¯ + Cl k-1 (rapid equilibrium) (2) Fe²+ + CI ka Fe+ + CI" (negligible reverse rate) ks (b) (3) Fe²* + Cl2 - Fe(IV) + 2 CI¯ (rapid equilibrium) (4) Fe(IV) + Fe²+ 2 Fe+ (negligible reverse rate) where Fe(IV) is Fe in the (+IV) oxidation state.
Iron(II) ion is oxidized by chlorine in aqueous solution, the overall equation being 2 Fe2+ + Cl2 →2 Fe³* + 2 Cl- It is found experimentally that the rate of the overall reac- tion is decreased when either the iron(III) ion or the chloride-ion concentration is increased. Which of the fol- lowing possible mechanisms is consistent with the experi- mental observations? (a) (1) Fe²* + Cl, 2 Fe* + Cl¯ + Cl k-1 (rapid equilibrium) (2) Fe²+ + CI ka Fe+ + CI" (negligible reverse rate) ks (b) (3) Fe²* + Cl2 - Fe(IV) + 2 CI¯ (rapid equilibrium) (4) Fe(IV) + Fe²+ 2 Fe+ (negligible reverse rate) where Fe(IV) is Fe in the (+IV) oxidation state.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
![Iron(II) ion is oxidized by chlorine in aqueous solution,
the overall equation being
2 Fe2+ + Cl2 →2 Fe³* + 2 Cl-
It is found experimentally that the rate of the overall reac-
tion is decreased when either the iron(III) ion or the
chloride-ion concentration is increased. Which of the fol-
lowing possible mechanisms is consistent with the experi-
mental observations?
(a) (1) Fe²* + Cl, 2 Fe* + Cl¯ + Cl
k-1
(rapid equilibrium)
(2) Fe²+ + CI
ka
Fe+ + CI"
(negligible reverse rate)
ks
(b) (3) Fe²* + Cl2
-
Fe(IV) + 2 CI¯
(rapid equilibrium)
(4) Fe(IV) + Fe²+
2 Fe+
(negligible reverse rate)
where Fe(IV) is Fe in the (+IV) oxidation state.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5695163-0556-4357-96f2-8d772711af54%2F9c3caaa1-5a37-4c86-9865-ce5bef750135%2Fk68bmjh.png&w=3840&q=75)
Transcribed Image Text:Iron(II) ion is oxidized by chlorine in aqueous solution,
the overall equation being
2 Fe2+ + Cl2 →2 Fe³* + 2 Cl-
It is found experimentally that the rate of the overall reac-
tion is decreased when either the iron(III) ion or the
chloride-ion concentration is increased. Which of the fol-
lowing possible mechanisms is consistent with the experi-
mental observations?
(a) (1) Fe²* + Cl, 2 Fe* + Cl¯ + Cl
k-1
(rapid equilibrium)
(2) Fe²+ + CI
ka
Fe+ + CI"
(negligible reverse rate)
ks
(b) (3) Fe²* + Cl2
-
Fe(IV) + 2 CI¯
(rapid equilibrium)
(4) Fe(IV) + Fe²+
2 Fe+
(negligible reverse rate)
where Fe(IV) is Fe in the (+IV) oxidation state.
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