1.

Complete the cell reaction on the negative electrode for the lead-acid battery.\(Pb + {H_2}S{O_4}\begin{array}{*{20}{c}} {{\rm{Discharge}}}\\ {\begin{array}{*{20}{c}} \to \\ \leftarrow \\ {{\rm{Charge}}} \end{array}} \end{array}\)

A. PbSO4 + 2H+ + 2e
B. PbO2 + H2SO4 + 2H+ + 2e
C. PbO2 + H2SO4
D. 3Pb2SO4 + 2HCl
Answer» B. PbO2 + H2SO4 + 2H+ + 2e


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