The half-reaction at the cathode in an electrochemical cell is given below. What other half-reaction would most likely occur at the anode to produce a
spontaneous reaction?
Ni2+(aq) + 2e → Ni(s)
Click for a reduction potential chart
O A. Mg2+(aq) + 2e + Mg(s)
B. Cu(s) Cu2+ (aq) + 2e
->
C. Zn(s) - - Zn2+(aq) + 2e
O D. Ni(s) – Ni2+ (aq) + 2e