32. Consider the following two standard reduction potentials: Pt2"(aq) + 2 e → Pt (s); E° = 1.180 V Pb"(aq) + 2 e → Pb(s); E° = –0.130 V Part 1. Which of the following is the balanced overall reaction and standard cell potential of a working electrochemical (or voltaic) cell constructed from half-cells with the given half reactions? Note that "working" means that the electrochemical reaction is spontaneous. a) Pt2"(aq) + Pb(s) → Pt(s) + Pb²"(aq); = 1.310 V cell Pt(s) + Pb* (aq) – Pt"(aq) + Pb(s); cell - 1.310 V Pt* (aq) + Pb3 (aq) → Pt(s) + Pb(s); cell = 1.050 V d) p Pr*"(aq) + Pb(s) → Pt(s) + Pb²"(aq); cell 0.655 V e) Pt(s) + Pb²"(aq) → Pt2"(aq) + Pb(s); £cel 0.655 V f) none of the above

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
icon
Related questions
Question
32. Consider the following two standard reduction potentials:
Pt2"(aq) + 2 e → Pt (s); E° = 1.180 V
Pb2"(aq) + 2 e
→ Pb(s); E° = -0.130 V
%3D
Part 1. Which of the following is the balanced overall reaction and standard cell potential of a working electrochemical (or
voltaic) cell constructed from half-cells with the given half reactions? Note that "working" means that the
electrochemical reaction is spontaneous.
a)
" Pt2 (aq) + Pb(s) → Pt(s) + Pb²*(aq); Ecelnl= 1.310 V
+ Pb(s) → Pt(s) + Pb²*(aq); £
%3D
b)
Pt(s) + Pb²*(aq) → Pt2*(aq) + Pb(s);
E
cell -1.310 V
c)
Pt2"(aq) + Pb²*(aq)→ Pt(s) + Pb(s);
= 1.050 V
%3D
->
cell
d)
" Pr2"(aq) Een=0.655 V
+ Pb(s) –
Pt(s) + Pb²*(aq);
%3D
cell
e)
Pt(s) + Pb²"(aq) → Pt2*(aq) + Pb(s); £
cell=-0.655 V
f) none of the above
Transcribed Image Text:32. Consider the following two standard reduction potentials: Pt2"(aq) + 2 e → Pt (s); E° = 1.180 V Pb2"(aq) + 2 e → Pb(s); E° = -0.130 V %3D Part 1. Which of the following is the balanced overall reaction and standard cell potential of a working electrochemical (or voltaic) cell constructed from half-cells with the given half reactions? Note that "working" means that the electrochemical reaction is spontaneous. a) " Pt2 (aq) + Pb(s) → Pt(s) + Pb²*(aq); Ecelnl= 1.310 V + Pb(s) → Pt(s) + Pb²*(aq); £ %3D b) Pt(s) + Pb²*(aq) → Pt2*(aq) + Pb(s); E cell -1.310 V c) Pt2"(aq) + Pb²*(aq)→ Pt(s) + Pb(s); = 1.050 V %3D -> cell d) " Pr2"(aq) Een=0.655 V + Pb(s) – Pt(s) + Pb²*(aq); %3D cell e) Pt(s) + Pb²"(aq) → Pt2*(aq) + Pb(s); £ cell=-0.655 V f) none of the above
Part 2. In the above working electrochemical (or voltaic) cell in Part 1, what species is reduced in cathode?
a) Pt (s)
b) Pt2* (aq)
c) Pb (s)
d) Pb²* (aq)
e) None of the above
Part 3. From Part 1, one can conclude that
a) Pt (s) is a stronger reducing agent than Pb (s).
b) Pb (s) is a stronger reducing agent than Pt (s).
c) Pt (s) is a stronger oxidizing agent than Pb (s).
d) Pb (s) is a stronger oxidizing agent than Pt (s).
e) none of the above
Transcribed Image Text:Part 2. In the above working electrochemical (or voltaic) cell in Part 1, what species is reduced in cathode? a) Pt (s) b) Pt2* (aq) c) Pb (s) d) Pb²* (aq) e) None of the above Part 3. From Part 1, one can conclude that a) Pt (s) is a stronger reducing agent than Pb (s). b) Pb (s) is a stronger reducing agent than Pt (s). c) Pt (s) is a stronger oxidizing agent than Pb (s). d) Pb (s) is a stronger oxidizing agent than Pt (s). e) none of the above
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Electrochemical Cells
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: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781133611097
Author:
Steven S. Zumdahl
Publisher:
Cengage Learning
Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:
9781285640686
Author:
Skoog
Publisher:
Cengage
Chemistry: Principles and Practice
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning