MCQ
During discharging the change taking place at cathode in lead accumulator is:
- A$Pb _{\text {(aq.) }}^{2+}$ is oxidized to $PbO _{2(s)}$
- B$Pb _{( s )}$ is oxidized to $Pb _{( aq .)}^{2+}$
- ✓$PbO _{2(s)}$ is reduced to $Pb _{( aq .)}^{2+}$
- D$Pb _{(\text {aq. })}^{2+}$ is reduced to $Pb _{( s )}$
