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A Lead Storage Battery Involves the Following Two Half-Reactions

Question 18

Multiple Choice

A lead storage battery involves the following two half-reactions:
PbSO4(s) + 2e- → Pb(s) + SO42-(aq) ; E° = -0.36 V
PbO2(s) + 4H+(aq) + SO42-(aq) + 2e- → PbSO4(s) + 2H2O(l) ; E° = 1.69 V
During the discharge reaction of the lead storage battery at 1.0 M concentrations,the cell potential and the reducing agent are,respectively,


A) 2.05 V and PbO2.
B) -2.05 V and PbO2.
C) 1.33 V and Pb.
D) -2.05 V and Pb.
E) 2.05 V and Pb.

Correct Answer:

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