Multiple Choice
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
Correct Answer:
Verified
Q76: Write a balanced chemical equation for the
Q77: When the following oxidation-reduction reaction in acidic
Q78: Which of the following is true for
Q79: Balance the following half-reaction occurring in an
Q80: Balance the following oxidation-reduction reaction occurring in
Q81: What half-reaction occurs at the cathode during
Q82: Use the following standard reduction potentials to
Q84: Given the following two half-reactions,write the overall
Q85: Which of the following equations represents the
Q86: Calculate the cell potential at 25 °C