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Consider the following redox reaction that produce electricity in agalvanic cell:a. 2Fe3+ + 2C1 - 2 Fe2+ + Cl2(g)b. Cu2++ Cr→ Cu+ Cr3+ |
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Answer» Answer: Reduction Half REACTION E1/2 (V) F2 + 2e− → 2 F− 2.87 Ce4+ + e− → Ce3+ 1.61 MnO4− + 8 H+ + 5e− → Mn2+ + 4 H2O 1.51 Cl2 + 2e− → 2Cl− 1.36 O2 + 4 H+ + 4e− → 2 H2O 1.23 Br2 + 2e− → 2 Br− 1.06 NO3− + 4 H+ + 3e− → NO + 2 H2O 0.96 AG+ + e− → Ag 0.80 Fe3+ + e− → Fe2+ 0.77 I2 + 2e− → 2I− 0.54 Cu2+ + 2e− → Cu 0.34 AgCl + e− → Ag + Cl− 0.222 Sn4+ + 2e− → Sn2+ 0.15 2H+ + 2e− → H2 0.000 Pb2+ + 2e− → PB −0.126 Ni2+ + 2e− → Ni −0.25 Cr3+ + e− → Cr2+ −0.41 Fe2+ + 2e− → Fe −0.44 Cr3+ + 3e− → Cr −0.74 Zn2+ + 2e− → Zn −0.76 Cr2+ + 2e− → Cr −0.91 Ba2+ + 2e− → Ba −1.57 Al3++ 3e− → Al −1.66 Mg2+ + 2e− → Mg −2.37 Na+ + e− → Na −2.714 Li+ + e− → Li −3.045 |
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