[" Q.(3): - when Lead Storage battery discharges: "],[[" (1)- "SO2" is evolved."," (ii)- PbSO4is consumed."],[" (iii)- "Pb" is formed."],[" (iv)- "H2SO4" is consumed."]]

While charging the lead storage battery: (a) PbSO_(4) anode is reduced to Pb (b) PbSO_(4) cathode is reduced to Pb (c) PbSO_(4) cathode is oxidised to Pb (d) PbSO_(4) anode is oxidised to PbO_(2)

The overall reaction for the lead storage batter when it discharges is: Pb(s) + PbO_(2)(s) + 4H^(+)(aq) + 2SO_94)^(2-)(aq) rightarrow 2PbSO_(4)(s) + 2H_(2)O(l) (P) PbSO_(4) is formed only at the cathode. (Q) The density of the solution decreases. Which statements correctly describes the battery as its discharges?

How is the density of H2SO4 affected in lead storage battery during its use?

Which of the processes happen during the discharging of a lead storage battery? (P) H_(2) (g) is produced (Q) PbO_(2) is converted to PbSO_(4) (R ) The density of the electrolyte solution decreases.