Pacemakers Implanted in the Chests of Patients with Certain Heart

Multiple Choice

Pacemakers implanted in the chests of patients with certain heart conditions are powered by a lithium/iodine PVP battery, where PVP represents polyvinylpyridine. The cell reaction and standard cell potential are given below. The standard reduction potential for Li/Li is 3.05 V. What is the standard reduction potential for the iodine PVP half-reaction?
3.59 V

A) (1.50 V)
B) ( 6.64 V)
C) ( 0.54 V)
D) ( 6.64 V)
E) ( 0.54 V)