MCQ
The reaction taking place at the anode in lead accumulator cell is :
- A$PbO _{2(s)} \rightarrow PbSO _{4(s)}$
- B$PbSO _{4(s)} \rightarrow PbO _{2(s)}$
- ✓$Pb _{( s )}+ SO _{4( aq )}^{2-} \rightarrow PbSO _{4(s)}+2 e ^{-}$
- D$Pb _{( s )}+ PbO _{2(s)}+2 H _2 SO _{4( aq )} \rightarrow 2 PbSO _{4( aq )}+2 H _2 O _{(l)}$

