Practice question

MCQ

Question

In a lead storage battery during charging, what is the anode reaction?

Options

Choose one · Correct answer highlighted

Pb + SO₄²⁻ → PbSO₄ + 2e⁻ PbO₂ + SO₄²⁻ + 4H⁺ + 2e⁻ → PbSO₄ + 2H₂O PbSO₄ + 2e⁻ → Pb + SO₄²⁻ PbSO₄ + 2H₂O → PbO₂ + SO₄²⁻ + 4H⁺ + 2e⁻ Correct

Explanation

Charging reverses discharge: Anode: PbSO₄ + 2H₂O → PbO₂ + SO₄²⁻ + 4H⁺ + 2e⁻ .

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