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

question 78

Multiple Choice

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)