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Which of the following products are formed when a lead storage battery is discharged?

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in Chemistry – Class 12 by (188k points)
Which of the following products are formed when a lead storage battery is discharged?

(a) SO2

(b) Pb

(c) PbO2

(d) PbSO4

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Question is taken from Electrochemistry in division Electrochemistry of Chemistry – Class 12

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Right answer is (d) PbSO4

Explanation: During the working of the lead storage battery, PbSO4 is formed at both the electrodes and sulphuric acid is used up. At the anode, Pb is oxidised to form PbSO4 and at the cathode, PbO2 is reduced to form PbSO4.

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