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.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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Answered: Which of the following half-reactions…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter18: Introduction To Electrochemistry

Section: Chapter Questions

Problem 18.18QAP

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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.

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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