For a galvanic cell, the anode half-cell is Ni/Ni2+ and the catho...

6. Chemical Quantities & Aqueous Reactions

Balancing Redox Reactions: Acidic Solutions

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ANSWERS OPTIONS

anode: Ni²⁺(aq) + 2 e⁻ → Ni(s)
cathode: 2 F⁻(aq) → F₂(g) + 2 e⁻
overall: 2 F⁻(aq) + Ni²⁺(aq) → Ni(s) + F₂(g)

anode: F₂(g) + 2 e⁻ → 2 F⁻(aq)
cathode: Ni(s) → Ni²⁺(aq) + 2 e⁻
overall: Ni(s) + F₂(g) → 2 F⁻(aq) + Ni²⁺(aq)

anode: 2 F⁻(aq) → F₂(g) + 2 e⁻
cathode: Ni²⁺(aq) + 2 e⁻ → Ni(s)
overall: 2 F⁻(aq) + Ni²⁺(aq) → Ni(s) + F₂(g)

anode: Ni(s) → Ni²⁺(aq) + 2 e⁻
cathode: F₂(g) + 2 e⁻ → 2 F⁻(aq)
overall: Ni(s) + F₂(g) → 2 F⁻(aq) + Ni²⁺(aq)

For a galvanic cell, the anode half-cell is Ni/Ni2+ and the cathode half-cell is F2/F−. What are the balanced electrode equations and the balanced overall cell reaction?