Which of the following half-reactions would occur at the cathode of a Galvanic cell consisting of an SHE as the anode? Select all that apply.Half-ReactionE° (V)Hg22+(aq) + 2e− ⟶ 2Hg(l)+0.7973Fe3+(aq) + e− ⟶ Fe2+(aq)+0.771MnO4−(aq) + 2H2O(l) + 3e− ⟶ MnO2(s) + 4OH− (aq)+0.558I2(s) + 2e− ⟶ 2I− (aq)+0.5355NiO2 (s) + 2H2O(l) + 2e− ⟶ Ni(OH) 2(s) + 2OH− (aq)+0.49Cu2+(aq) + 2e− ⟶ Cu(s)+0.34Hg2Cl2 (s) + 2e− ⟶ 2Hg(l) + 2Cl− (aq)+0.26808AgCl(s) + e− ⟶ Ag(s) + Cl− (aq)+0.22233Sn4+(aq) + 2e− ⟶ Sn2+(aq)+0.1512H+ (aq) + 2e− ⟶ H2 (g)0.00Pb2+ (aq) + 2e− ⟶ Pb(s)−0.1262Sn2+ (aq) + 2e− ⟶ Sn(s)−0.1375Ni2+ (aq) + 2e− ⟶ Ni(s)−0.257Co2+ (aq) + 2e− ⟶ Co(s)−0.28 Fe3+(aq) + e− ⟶ Fe2+(aq) Fe2+(aq) ⟶ Fe3+(aq) + e− Sn2+ (aq) + 2e− ⟶ Sn(s) Sn(s) ⟶ Sn2+ (aq) + 2e− Ni2+ (aq) + 2e− ⟶ Ni(s) Ni(s) ⟶ Ni2+ (aq) + 2e− NiO2 (s) + 2H2O(l) + 2e− ⟶ Ni(OH) 2(s) + 2OH− (aq) Ni(OH) 2(s) + 2OH− (aq) ⟶ NiO2 (s) + 2H2O(l) + 2e−

Only those half reactions would occur at the cathode that result in a spontaneous net redox reaction…

Answered: Which of the following half-reactions…

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

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which of the following half-reactions would occur at the cathode of a Galvanic cell consisting of an SHE as the anode? Select all that apply.

Half-Reaction	E° (V)
Hg₂²⁺(aq) + 2e⁻ ⟶ 2Hg(l)	+0.7973
Fe³⁺(aq) + e− ⟶ Fe²⁺(aq)	+0.771
MnO₄⁻(aq) + 2H₂O(l) + 3e⁻ ⟶ MnO₂(s) + 4OH⁻(aq)	+0.558
I₂(s) + 2e⁻ ⟶ 2I⁻(aq)	+0.5355
NiO₂(s) + 2H₂O(l) + 2e⁻ ⟶ Ni(OH)₂(s) + 2OH⁻(aq)	+0.49
Cu²⁺(aq) + 2e⁻ ⟶ Cu(s)	+0.34
Hg₂Cl₂(s) + 2e⁻ ⟶ 2Hg(l) + 2Cl⁻(aq)	+0.26808
AgCl(s) + e⁻ ⟶ Ag(s) + Cl⁻(aq)	+0.22233
Sn⁴⁺(aq) + 2e⁻ ⟶ Sn²⁺(aq)	+0.151
2H⁺(aq) + 2e⁻ ⟶ H₂(g)	0.00
Pb²⁺(aq) + 2e⁻ ⟶ Pb(s)	−0.1262
Sn²⁺(aq) + 2e⁻ ⟶ Sn(s)	−0.1375
Ni²⁺(aq) + 2e⁻ ⟶ Ni(s)	−0.257
Co²⁺(aq) + 2e⁻ ⟶ Co(s)	−0.28

		Fe³⁺(aq) + e− ⟶ Fe²⁺(aq)
		Fe²⁺(aq) ⟶ Fe³⁺(aq) + e−
		Sn²⁺(aq) + 2e⁻ ⟶ Sn(s)
		Sn(s) ⟶ Sn²⁺(aq) + 2e⁻
		Ni²⁺(aq) + 2e⁻ ⟶ Ni(s)
		Ni(s) ⟶ Ni²⁺(aq) + 2e⁻
		NiO₂(s) + 2H₂O(l) + 2e⁻ ⟶ Ni(OH)₂(s) + 2OH⁻(aq)
		Ni(OH)₂(s) + 2OH⁻(aq) ⟶ NiO₂(s) + 2H₂O(l) + 2e⁻

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