In a galvanic cell utilizing a hydrogen-oxygen fuel cell configuration, which half-reaction occurs at the cathode?Select one:a.NiO(OH)(s) + H₂O + e- → Ni(OH)₂(s) + OH⁻(aq)b.2H₂(g) → 4H⁺(aq) + 4e-c.Zn(s) → Zn²⁺(aq) + 2e-d.O₂(g) + 4H⁺ (aq) + 4e- → 2H₂O(l)

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?Zn2+(aq) + 2e- Zn(s)Click for a reduction potential chartA.H2(g) 2H+(aq) + 2e-B.K+(aq) + e- K(s)C.Al(s) Al3+(aq) + 3e-D.Zn(s) Zn2+(aq) + 2e-

Which reaction occurs at the cathode in an electrochemical cell?A.Cu(s) Cu2+(aq) + 2e-B.Cu2+(aq) + 2e- Cu(s)C.Cu(s) + 2H+(aq) Cu2+(aq) + H2(g)D.Cu2+(aq) + H2(g) Cu(s) + 2H+(aq)

Complete the balanced equation for the overall reaction in a hydrogen fuel cell. [2 marks] H2 +  H2O

Which reaction occurs at the cathode of a galvanic cell that has the following: an aluminum electrode in an electrolyte with aluminum ions and a zinc electrode in an electrolyte with zinc ions? The reduction potential for the reduction of Al3+ = -1.68 V. The reduction potential for the reduction of Zn2+ = -0.76 V.A.Al(s) Al3+(aq) + 3e-B.Al3+(aq) + 3e- Al(s)C.Zn2+(aq) + 2e- Zn(s)D.Zn(s) Zn2+(aq) + 2e-

Which of the following is an oxidation half-reaction?Group of answer choicesO + 4H + 4e 2HOCl + 2e 2ClFe + e FeSn Sn + 2e PreviousNext