Write the cell reaction which occurs in lead storage battery during discharging process?
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At anode : Pb(s)+SO4^2-(aq)= PbSO4+2e- (oxd.). At cathode : PbO2 + SO4+4H+2e-= PbSO4+2H2O. Overall reaction: Pb+ PbO2+4H+2SO4= 2PbSO4 +2H2O
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