Calculate for the Electrochemical Cell Pb(s)|PbCl₂(s)| Cl^-(aq,1

question 68

Multiple Choice

Calculate for the electrochemical cell Pb(s) |PbCl₂(s) | Cl^-(aq,1.0 M) || Fe³⁺(aq,1.0 M) ,Fe²⁺(aq,1.0 M) | Pt(s) . The standard reduction potentials are as follows:
Pb²⁺(aq) + 2 e^- → Pb(s)
E° = -0.126 V
PbCl₂(s) + 2 e^- → Pb(s) + 2 Cl^-(aq)
E° = -0.267 V
Fe³⁺(aq) + e^- → Fe²⁺(aq)
E° = +0.771 V
Fe²⁺(aq) + e^- → Fe(s)
E° = -0.44 V

• A) -0.504 V
• B) -0.062 V
• C) +0.504 V
• D) +1.038 V
• E) +1.604 V

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