Which Is the Half-Reaction at the Anode in a Lead

question 81

Multiple Choice

Which is the half-reaction at the anode in a lead storage battery?

• A) Pb(s) + PbO₂(s) + 4H⁺(aq) + 2SO₄^2-(aq) → 2PbSO₄(s) + 2H₂O(l)
• B) PbO₂(s) + 4H⁺(aq) + 2SO₄^2-(aq) + 2e^- → PbSO₄(s) + 2H₂O(l)
• C) Pb(s) + SO₄^2-(aq) → PbSO₄(s) + 2e^-
• D) Pb(s) → Pb(s) + 2e^-
• E) H₂(g) → 2H⁺(aq) + 2e^-

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