For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the anode?
Mg(s) ∣ Mg2+(aq) ∣∣ Cd2+(aq) ∣Cd(s)
A) Mg(s) → Mg2+(aq) + 2 e-
B) Mg2+(aq) + 2 e- → Mg(s)
C) Cd(s) → Cd2+(aq) + 2 e-
D) Cd2+(aq) + 2 e- → Cd(s)
Correct Answer:
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