rtial, EO (7.7) O p 2H 4OH ( A voltaic cell based on the half- reactions: In (aq) → In*³(aq) + 2e¯ Br2() +2e- 2Br¯(aq) The standard emf for this cell is +1.46 V. Using the data below, calculate, E red for the reduction of In*3 to In*1. Br2() + 2e - 2Br (ag) (cathode) E red(cathode) = E Br(aq) = +1.06 V %3D %3D (See Table below) Choices: (A) +0.40 V (B) -0.40 V (C) + 2.50 V (D) -2.50 V Answer: Ered for the reduction of In+3 to In+1 = (in %3D volts) STANDARD REDUCTION POTENTIALS at 25°C; Reduction Half Reaction F(g) + 2e 2 (ag HO (ag) + 2H" (ag) + 2H0 PO)- (ag) - sotag) + 2e PosOs) - HO MaO (ag)+ Hr (a)+ SeMa (ag)+ 4H0 Au (a) - e Au (s) + 2e 20 (a CrO (ag)- 14H" (ag+ 6e +2C (ag)+ THO MaO: (s) 4H (ag de Ma (ag) 2H:0 O: 0 4 ( de 1o Br () + 2 2Br (ag) NO, (ag) + 4r (ag) + e+ NO (g) + 210 Standard Potential, E(V) +287 +1.77 1.70 +151 +1.50 +136 +133 1.23 +123 +1.06 +0.96 +0.92 +0.85 0.30 +0.77 068 +0.59 Ag a e Ag is) Feag) Te (a O (g)- 21 (ag) +2e 1O, (ag I MaO (ag) + 210 - 3e MeO; (s) - 401 (ag) I) + 2e 21 (ag) O (- 2HO (ag) - de+ 40H" (ag) Cu" (ag)+ 2e Cu ) AgCI (s)+e Ag (s)- CI (ag) só (ag) + 4 ()+ 2e so ( + 2H:O +054 +040 +0.34 +0.22 +0.20 +0.15 0.13 0.00 * Se () 2e Sa" (a) 4 21' () 2r H: ) a) 2e Se" (ag)+ 2e Sa (s) * N (g)- 2e Ni (s) * PSo, )+ 2e- P() so (g C (ag) + C (a) Fe (aq)+ 2 Fe (s) C (ag)- e Cr() Za (ag) + 2e Za (s) 2HO + 2e H ig)+ 20H () Ma (ag) + 2e Ma (s) Al (a e Al () Mg" (ag)+ 2e Mgis) Na (ag)+e→ Na (s) Ca(ag)+ K (a)e K L(ag) +e → Li) For all hall ceactices the coacentrations is IM for dissolved species and the pressure is I at for gases. These are the standaed-state valses -0.14 0.25 031 0.41 044 -0.74 -0.76 -0.83 -L18 -1.66 -2.37 -2.71 2e Ca (s) -2.87 -2.93 -3.05
rtial, EO (7.7) O p 2H 4OH ( A voltaic cell based on the half- reactions: In (aq) → In*³(aq) + 2e¯ Br2() +2e- 2Br¯(aq) The standard emf for this cell is +1.46 V. Using the data below, calculate, E red for the reduction of In*3 to In*1. Br2() + 2e - 2Br (ag) (cathode) E red(cathode) = E Br(aq) = +1.06 V %3D %3D (See Table below) Choices: (A) +0.40 V (B) -0.40 V (C) + 2.50 V (D) -2.50 V Answer: Ered for the reduction of In+3 to In+1 = (in %3D volts) STANDARD REDUCTION POTENTIALS at 25°C; Reduction Half Reaction F(g) + 2e 2 (ag HO (ag) + 2H" (ag) + 2H0 PO)- (ag) - sotag) + 2e PosOs) - HO MaO (ag)+ Hr (a)+ SeMa (ag)+ 4H0 Au (a) - e Au (s) + 2e 20 (a CrO (ag)- 14H" (ag+ 6e +2C (ag)+ THO MaO: (s) 4H (ag de Ma (ag) 2H:0 O: 0 4 ( de 1o Br () + 2 2Br (ag) NO, (ag) + 4r (ag) + e+ NO (g) + 210 Standard Potential, E(V) +287 +1.77 1.70 +151 +1.50 +136 +133 1.23 +123 +1.06 +0.96 +0.92 +0.85 0.30 +0.77 068 +0.59 Ag a e Ag is) Feag) Te (a O (g)- 21 (ag) +2e 1O, (ag I MaO (ag) + 210 - 3e MeO; (s) - 401 (ag) I) + 2e 21 (ag) O (- 2HO (ag) - de+ 40H" (ag) Cu" (ag)+ 2e Cu ) AgCI (s)+e Ag (s)- CI (ag) só (ag) + 4 ()+ 2e so ( + 2H:O +054 +040 +0.34 +0.22 +0.20 +0.15 0.13 0.00 * Se () 2e Sa" (a) 4 21' () 2r H: ) a) 2e Se" (ag)+ 2e Sa (s) * N (g)- 2e Ni (s) * PSo, )+ 2e- P() so (g C (ag) + C (a) Fe (aq)+ 2 Fe (s) C (ag)- e Cr() Za (ag) + 2e Za (s) 2HO + 2e H ig)+ 20H () Ma (ag) + 2e Ma (s) Al (a e Al () Mg" (ag)+ 2e Mgis) Na (ag)+e→ Na (s) Ca(ag)+ K (a)e K L(ag) +e → Li) For all hall ceactices the coacentrations is IM for dissolved species and the pressure is I at for gases. These are the standaed-state valses -0.14 0.25 031 0.41 044 -0.74 -0.76 -0.83 -L18 -1.66 -2.37 -2.71 2e Ca (s) -2.87 -2.93 -3.05
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...
Related questions
Question
Transcribed Image Text:(7.7)
A voltaic cell based on the half-
reactions:
In (aq)
– In*3(ag) + 2e™
(aq)
Br2() +2e¯→ 2Br¯(ag)
The standard emf for this cell is +1.46 V.
Using the data below, calculate, E'red for
the reduction of In*3 to In*1.
Br2() + 2e¯ → 2B1¯(ag) (cathode)
E red(cathode) = E
%3D
Br(aq) = +1.06 V
(See Table below)
Choices:
(A) +0.40 V
(B) -0.40 V
(C) + 2.50 V
(D) -2.50 V
Answer: E'red for the reduction of
In+3 =
to In*1
(in
volts)
STANDARD REDUCTION POTENTIALS at 25°C;
Reduction Half Reaction
F: (g) + 2e → 2F (aq)
HO, (aq) + 2H" (aq) + 2e 2H;0
PbO(3) +4H" (ag) + So (ag) + 2e PbSO(s) + HO
MnO. (aq) + 8H" (aq)+ Se+ Ma" (ag) + 4H,o
Au" (aq) + 3e Au (s)
Ch (g) + 2e 2C (ag)
CrO (aq) + 14H" (aq) + 6e →2Cr" (aq) + TH:O
MnO: (3) i 4H" (aq) 2e Ma (aq) 2H:0
O: (g) + 4H" (aq) + 4e + 2H:0
Br: () +2e + 2Br (ag)
NO, (aq) + 4I" (aq) + 3e + NO (g) + 2H:0
2Hg (aq) + 2e Hg" (aq)
Hgr" (aq) + 2e→ 2Hg ()
Ag (aq) +e Ag (s)
Fe (aq) + e Fe (aq)
O: (g) - 21 (aq) + 2e HO: (ag)
E MnO" (aq) + 2H0 + 3e MnO: (3) + 40H (aq)
E L (s) + 20 → 21 (aq)
O2 (g) + 2H:0 (aq) + 4e + 40H" (aq)
I
Standard Potential, E°(V)
+2.87
+1.77
+1.70
+1.51
+1.50
+1.36
+1.33
11.23
+1.23
+1.06
+0.96
+0.92
+0.85
+0.80
7
+0.77
+0.68
+0.59
+0 54
+0.40
Cu" (aq) + 2e" Cu (s)
ABCI (s) + e Ag (s) + CI (aq)
SO, (aq) + 4H" (aq) + 2e + SO: (g) + 2H;0
* Cu" (aq) + e Cu (ag)
4 Sat" (ag) + 2e Sa" (aq)
2H' (aq) + 2e→ H: (4)
I Pb (aq) + 2e+ Pb (s)
Sn" (aq) + 2e Sn (s)
* Ni (aq) + 2e + Ni (s)
* PBSO, (s) + 2e Pb (s) + So (aq)
* Cr" (aq) + e C (ag)
i Fe (aq) + 2e+ Fe (s)
Cr (aq) + 3e → Cr (s)
Zn- (aq) + 2e→ Zn (s)
2H:0 + 2e Hi (g) + 20H (aq)
Mn* (aq) + 2e → Mn (s)
Al (aq) + 3e → Al (s)
Mg (aq) + 2e - Mg (s)
Na" (aq) + e- Na (s)
Ca" (aq) + 2e → Ca (s)
K* (aq) + e K (3)
Li" (aq) + e + Li (s)
For all bal reactions the concentrations is IM for dissolved species and the pressure is
1 atm for gases. These are the standard-state values.
+034
+0.22
+0.20
+0.15
+0.13
0.00
-0.13
-0.14
-0.25
-0.31
-0.41
-0.44
-0.74
-0.76
0.83
-1.18
-1.66
-2.37
-2.71
-2.87
-2.93
-3.05
uade Buonpaa se gäuans SurseaDuI
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
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.Recommended textbooks for you
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY