Which of the following reaction occurs at the cathode during the charging of lead storage battery?
A
Pb→Pb2++2e−
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Pb2++2e−→Pb
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
PbO2+SO2−4→PbSO4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
PbSO4(s)+2H2O→PbO2(s)+4H++SO2−4+2e−
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is BPb2++2e−→Pb During the charging of lead storage battery, reduction occurs at cathode. Pb2+ ions accepts two electrons to form Pb atoms.
The reaction that occurs at cathode is Pb2++2e−→Pb or PbSO4+2e−→Pb+SO2−4.