Which of the following oxides is used in lead storage battery

Which Of The Following Oxides Is Used In Lead Storage Chemistry Question

Which of the following oxides is used in lead storage battery

Options

(a) PbO
(b) PbO₂
(c) Pb₂O₃
(d) Pb₃O₄

Correct Answer:

PbO₂

Explanation:

Lead storage battery consists of a group of lead plates bearing compressed spongy lead, alternating with a group of lead plated bearing lead dioxide, PbO₂. These plates are immersed in a solution of about 30% H₂SO₄. Overall cell reaction is
Pb + PbO₂ + 4H⁺ +2SO₄²⁻ → 2PbSO₄ + 2H₂O
E (Cell) is 2.041 Volt.

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Topics: Electrochemistry and Chemical Kinetics (87)
Subject: Chemistry (2512)

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