Which of the Following Is the Balanced Overall Reaction and Standard

question 83

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

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