Part 1) A standard galvanic cell is constructed in which a Ni2+ | Ni half cell acts as the cathode. Which of the following statements are correct?(Choose all that apply.)-In the external circuit, electrons flow from the Ni2+|Ni compartment to the other compartment.-The anode compartment could be Cl2|Cl-.-The anode reaction could be Cr -> Cr3+ + 3e-.-Ni is oxidized at the cathode.-As the cell runs, anions will migrate from the Ni2+|Ni compartment to the other compartment. Part 2)A standard galvanic cell is constructed with Zn2+|Zn and Sn2+|Sn half cell compartments connected by a salt bridge. Which of the following statements are correct?(Choose all that apply.)-Sn2+ is reduced at the cathode.-The cathode compartment is the Zn2+|Zn compartment.-Sn is oxidized at the anode.-In the external circuit, electrons flow from the Zn2+|Zn compartment to the Sn2+|Sn compartment.-As the cell runs, anions will migrate from the Zn2+|Zn compartment to the Sn2+|Sn compartment. Standard Reduction (Electrode) Potentials at 25 °cE° (volts)Half-Cell ReactionF2(g) + 2 e2 F' (aq)2.874+Ce" (aq) + e Ce"(aq)1.61-2+MnO, (aq) + 8 H" (aq) + 5 e -Mn (aq) + 4 H,O(1)1.51Cl,(g) + 2 e2 CI (aq)1.36Cr,0, (aq) + 14 H (aq) + 6 e 2 Cr" (aq) + 7 H,0(1)0,(g) + 4 H" (aq) + 4 c' 2 H,0(1)1.331.229Br,(1) + 2 e2 Br (aq)1.08NO, (aq) + 4 H (aq) + 3 e NO(g) +2 H,O(1)0.962+2 H (аg) + 2 eHg, (aq)0.9202+0.855Hg (aq) +2 e Hg(l)Ag' (aq) + e Ag(s)0.7992+Hg, (aq) + 2 e 2 Hg(1)0.789Fe"(aq) +e• Fe (aq)0.7711,(8) + 2 e21 (aq)0.535-*(aq)3-Fe(CN), "(aq) + e• Fe(CN),0.48Cu(aq) + 2 e Cu(s)2+0.337Cu"(aq) + e Cu"(aq)0.153S(s) + 2 H (aq) + 2 e H,S(aq)0.142 H"(aq) + 2 e H,(g)0.0000Pb2+(aq) +2 ePb(s)-0.1262+Sn (aq) + 2 e - Sn(s)-0.14Ni" (ag) + 2 eNi(s)-0.25Co (aq) + 2 e Co(s)-0.28.2+(aq) + 2 e Cd(s)-0.403Cr* (aq) + e- cr (aq)-0.412+Fe (aq) + 2 e Fe(s)-0.44Cr (aq) + 3 e Cr(s)-0.74Zn (aq) + 2 eZn(s)-0.7632 H,0(1) +2 e H,(g) +2 OH (aq)-0.83Mn (aq) +2 eMn(s)-1.18.3+Al (aq) + 3 eAl(s)|-1.662Mg* (aq) +2 e - Mg(s)-2.37Na (aq) +e Na(s)-2.714K"(aq) +eLi'(aq) + e- K(s)-2.925Li(s)-3.045

The question is based on the concept of electrochemistry. we have to correctly identify the…

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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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Part 1) A standard galvanic cell is constructed in which a Ni²⁺ | Ni half cell acts as the cathode. Which of the following statements are correct?

(Choose all that apply.)

-In the external circuit, electrons flow from the Ni²⁺|Ni compartment to the other compartment.

-The anode compartment could be Cl₂|Cl^-.

-The anode reaction could be Cr -> Cr³⁺ + 3e^-.

-Ni is oxidized at the cathode.

-As the cell runs, anions will migrate from the Ni²⁺|Ni compartment to the other compartment.

Part 2)A standard galvanic cell is constructed with Zn²⁺|Zn and Sn²⁺|Sn half cell compartments connected by a salt bridge. Which of the following statements are correct?

(Choose all that apply.)

-Sn²⁺ is reduced at the cathode.

-The cathode compartment is the Zn²⁺|Zn compartment.

-Sn is oxidized at the anode.

-In the external circuit, electrons flow from the Zn²⁺|Zn compartment to the Sn²⁺|Sn compartment.

-As the cell runs, anions will migrate from the Zn²⁺|Zn compartment to the Sn²⁺|Sn compartment.

Standard Reduction (Electrode) Potentials at 25 °c
E° (volts)
Half-Cell Reaction
F2(g) + 2 e2 F' (aq)
2.87
4+
Ce" (aq) + e Ce"(aq)
1.61
-
2+
MnO, (aq) + 8 H" (aq) + 5 e -
Mn (aq) + 4 H,O(1)
1.51
Cl,(g) + 2 e2 CI (aq)
1.36
Cr,0, (aq) + 14 H (aq) + 6 e 2 Cr" (aq) + 7 H,0(1)
0,(g) + 4 H" (aq) + 4 c' 2 H,0(1)
1.33
1.229
Br,(1) + 2 e2 Br (aq)
1.08
NO, (aq) + 4 H (aq) + 3 e NO(g) +2 H,O(1)
0.96
2+
2 H (аg) + 2 e
Hg, (aq)
0.920
2+
0.855
Hg (aq) +2 e Hg(l)
Ag' (aq) + e Ag(s)
0.799
2+
Hg, (aq) + 2 e 2 Hg(1)
0.789
Fe"(aq) +e
• Fe (aq)
0.771
1,(8) + 2 e
21 (aq)
0.535
-
*(aq)
3-
Fe(CN), "(aq) + e
• Fe(CN),
0.48
Cu
(aq) + 2 e Cu(s)
2+
0.337
Cu"(aq) + e Cu"(aq)
0.153
S(s) + 2 H (aq) + 2 e H,S(aq)
0.14
2 H"(aq) + 2 e H,(g)
0.0000
Pb
2+
(aq) +2 e
Pb(s)
-0.126
2+
Sn (aq) + 2 e - Sn(s)
-0.14
Ni" (ag) + 2 e
Ni(s)
-0.25
Co (aq) + 2 e Co(s)
-0.28
.2+
(aq) + 2 e Cd(s)
-0.403
Cr* (aq) + e
- cr (aq)
-0.41
2+
Fe (aq) + 2 e Fe(s)
-0.44
Cr (aq) + 3 e Cr(s)
-0.74
Zn (aq) + 2 e
Zn(s)
-0.763
2 H,0(1) +2 e H,(g) +2 OH (aq)
-0.83
Mn (aq) +2 e
Mn(s)
-1.18
.3+
Al (aq) + 3 e
Al(s)
|-1.66
2
Mg* (aq) +2 e - Mg(s)
-2.37
Na (aq) +e Na(s)
-2.714
K"(aq) +e
Li'(aq) + e
- K(s)
-2.925
Li(s)
-3.045

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