For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s)∣ Zn²⁺(aq)∣∣ Ni²⁺(aq)∣ Ni(s) A)Zn(s)→ Zn²⁺(aq)+ 2 e^- B)Zn²⁺(aq)+ 2 e^- → Zn(s) C)Ni(s)→ Ni²⁺(aq)+ 2 e^- D)Ni²⁺(aq)+ 2 e^- → Ni(s)

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In a galvanic cell, the cathode is where reduction occurs. The correct half-reaction at the cathode for the given cell notation is the reduction of Ni^2+ ions to Ni(s), which is represented by choice D.

For the Galvanic Cell Reaction,expressed Below Using Shorthand Notation,what Half-Reaction