Which of the following is the balanced overall reaction and standard cell potential of an electrochemical cell constructed from half-cells with the given half reactions?
Pt2+(aq) + 2 e- ? Pt(s) ; E° = 1.180 V
Pb2+(aq) + 2 e- ? Pb(s) ; E° = -0.130 V
A) Pt2+(aq) + Pb(s) ? Pt(s) + Pb2+(aq) ; = 1.310 V
B) Pt(s) + Pb2+(aq) ? Pt2+(aq) + Pb(s) ; = ?1.310 V
C) Pt2+(aq) + Pb2+(aq) ? Pt(s) + Pb(s) ; = 1.050 V
D) Pt2+(aq) + Pb(s) ? Pt(s) + Pb2+(aq) ; =0.655 V
E) Pt(s) + Pb2+(aq) ? Pt2+(aq) + Pb(s) ; = ?0.655 V
Correct Answer:
Verified
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