MHT CET 2024 Chemistry question

Which of the following reactions occurs at cathode during discharging of lead accumulator ?

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

During discharge the lead accumulator works as a galvanic cell. At the anode (negative plate) Pb is oxidised: (option B). At the cathode (positive plate) reduction occurs: PbO_24H^+SO_4^{2-}2e^-PbSO_4$

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Question ID VK-093374