What are reversible and irreversible electrochemical processes? How do they appear in a cyclic voltammogram? Indicate on the CV whether the processes observed are reversible or irreversible.

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...
icon
Related questions
Question
100%
The following pertains to the study of an
iron complex with structure as shown
below. A cyclic voltammogram (CV) of
the complex is
shown at the right.
The complex
designated as 1 is
the 2+ ion, 2 is the 1+
ion, and 3 is the
23
40x10
Scan Rate (mVis)
10
25
50
-72T1
-20
100
200
Ar-
1, 88%
Ar = 3,5-Me,Ph
20 -
2 €3
0.6
-0.8
-1.0
1.2
1.4
-1.6
-1.8
-2.0
neutral species. [Billups, J.; Fokakis, Z.;
Creutz, S. Octahedral Iron Complexes of Pyrazine(diimine) Pincers: Ligand Electronic Effects
and Protonation. Inorg. Chem. 2020, 59, 15228-15239].
Potential (V vs. Fc/Fc+)
What are reversible and irreversible electrochemical processes? How do they appear in a
cyclic voltammogram? Indicate on the CV whether the processes observed are reversible
or irreversible.
Current (A)
Transcribed Image Text:The following pertains to the study of an iron complex with structure as shown below. A cyclic voltammogram (CV) of the complex is shown at the right. The complex designated as 1 is the 2+ ion, 2 is the 1+ ion, and 3 is the 23 40x10 Scan Rate (mVis) 10 25 50 -72T1 -20 100 200 Ar- 1, 88% Ar = 3,5-Me,Ph 20 - 2 €3 0.6 -0.8 -1.0 1.2 1.4 -1.6 -1.8 -2.0 neutral species. [Billups, J.; Fokakis, Z.; Creutz, S. Octahedral Iron Complexes of Pyrazine(diimine) Pincers: Ligand Electronic Effects and Protonation. Inorg. Chem. 2020, 59, 15228-15239]. Potential (V vs. Fc/Fc+) What are reversible and irreversible electrochemical processes? How do they appear in a cyclic voltammogram? Indicate on the CV whether the processes observed are reversible or irreversible. Current (A)
d. Using the reduction potentials evident in the CV above, calculate the K. for the series of
complex ions [(+-OM²P²DI),Fe]* and then compare it to the K. value for a similar series of
complexes of formula [(+-OM PDI)2Fe]a+ which has a AE=0.35V. (AE=RT InK/nF)
Transcribed Image Text:d. Using the reduction potentials evident in the CV above, calculate the K. for the series of complex ions [(+-OM²P²DI),Fe]* and then compare it to the K. value for a similar series of complexes of formula [(+-OM PDI)2Fe]a+ which has a AE=0.35V. (AE=RT InK/nF)
Expert Solution
steps

Step by step

Solved in 4 steps with 7 images

Blurred answer
Knowledge Booster
Electrolysis
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY