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The standard reduction potential for the half-reaction:   Sn4+ + 2e- --> Sn2+   is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions attached below For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. write yes or no beside each one.     Sn2+  Sn4+ + 2e-     H2 + 2OH-  2H2O + 2e-     2H-  H2 + 2e-     H2  2H+ + 2e-     Sn  Sn2+ + 2e-     Pb + SO42-  PbSO4 + 2e-

The standard reduction potential for the half-reaction:   Sn4+ + 2e- --> Sn2+   is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions attached below For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. write yes or no beside each one.     Sn2+  Sn4+ + 2e-     H2 + 2OH-  2H2O + 2e-     2H-  H2 + 2e-     H2  2H+ + 2e-     Sn  Sn2+ + 2e-     Pb + SO42-  PbSO4 + 2e-

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter24: Coulometry
Section: Chapter Questions
Problem 24.4QAP: Halide ions can he deposited at a silver anode, the reaction being Ag(s) + X- AgX(s) +e- Suppose...
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Hello i am still having difficulty with this question. handwritten solutions are more prefered than typed. i tried yes, no, no, no, yes, no but it was wrong. 


The standard reduction potential for the half-reaction:

 

Sn4+ + 2e- --> Sn2+

 

is +0.15 V.
Consider data from the table of standard reduction potentials for common half-reactions attached below
For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. write yes or no beside each one.

    Sn2+  Sn4+ + 2e-
    H2 + 2OH-  2H2O + 2e-
    2H-  H2 + 2e-
    H2  2H+ + 2e-
    Sn  Sn2+ + 2e-
    Pb + SO42-  PbSO4 + 2e-

Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction %° (V) Half-reaction F₂ +2e7 →2F- Ag²+ + e → Ag+ Co³+ + e→→ Co²+ H₂O₂ + 2H+ + 2e7 → 2H₂O Ce4+ + e→Ce³+ PbO₂ + 4H+ + SO4² +2e →→ PbSO4 + 2H₂O MnO4 + 4H+ + 3e7 → MnO₂ + 2H₂O IO4 + 2H+ + 2e → IO3 + H₂O MnO4 + 8H+ + 5e → Mn²+ + 4H₂O Au³+ + 3e7 → Au PbO₂ + 4H+ + 2e¯ → Pb²+ + 2H₂O Cl₂ +2e2C1- Cr₂O2 + 14H+ + 6e¯ → 2Cr³+ + 7H₂O O₂ + 4H+ + 4e → 2H₂O MnO₂ + 4H+ + 2e IO3 + 6H+ + 5e- Br₂ +2e7 → 2Br → Mn²+ + 2H₂O 1₂+ 3H₂O VO₂+ + 2H+ + e → VO²+ + H₂O AuCl4 + 3e → Au + 4Cl- NO3 + 4H+ + 3e → NO + 2H₂O CIO₂ + e→→ CIO₂ 2Hg2+ + 2c7 → Hg₂²+ Ag+ + e → Ag Hg₂+ + 2e →→ 2Hg Fe³+ + e Fe2+ O₂ + 2H+ + 2e → H₂O₂ MnO4 + e→→ MnO4²- 21- 1₂ +2e Cut + e → Cu 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4c→ 40H Cu²+ + 2e →→ Cu Hg₂Cl₂ + 2e →→ 2Hg + 2Cl- AgCleAg + Cl- SO4²- + 4H+ + 2e¯ → H₂SO3 + H₂O Cu²+ + e→ Cu+ 2H+ + 2e7 → H₂ →→ Fe →→ Pb → Sn → Ni Fe³+ + 3e Pb²+ + 2e Sn²+ + 2e7 Ni²+ + 2e7 →→ Pb + SO4²- PbSO4 + 2e Cr³+ + e→→ Cd²+ + 2e7 → Cd Fe2+ + 2e7 → Fe Cr²+ → Cr → Zn Cr3+ + 3e- Zn²+ + 2e7 2H₂O + 2e → H₂ + 2OH- Mn²+ + 2e7 → Mn Al³+ + 3e → Al H₂ +2e7 → 2H- Mg2+ + 2c→→ Mg La³+ + 3e7 → La Na+ + e- → Na Ca²+ + 2e7 → Ca Ba2+ + 2e7 → Ba K+ + e→→ K Lite Li 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 -0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 - 2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05
Transcribed Image Text:Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction %° (V) Half-reaction F₂ +2e7 →2F- Ag²+ + e → Ag+ Co³+ + e→→ Co²+ H₂O₂ + 2H+ + 2e7 → 2H₂O Ce4+ + e→Ce³+ PbO₂ + 4H+ + SO4² +2e →→ PbSO4 + 2H₂O MnO4 + 4H+ + 3e7 → MnO₂ + 2H₂O IO4 + 2H+ + 2e → IO3 + H₂O MnO4 + 8H+ + 5e → Mn²+ + 4H₂O Au³+ + 3e7 → Au PbO₂ + 4H+ + 2e¯ → Pb²+ + 2H₂O Cl₂ +2e2C1- Cr₂O2 + 14H+ + 6e¯ → 2Cr³+ + 7H₂O O₂ + 4H+ + 4e → 2H₂O MnO₂ + 4H+ + 2e IO3 + 6H+ + 5e- Br₂ +2e7 → 2Br → Mn²+ + 2H₂O 1₂+ 3H₂O VO₂+ + 2H+ + e → VO²+ + H₂O AuCl4 + 3e → Au + 4Cl- NO3 + 4H+ + 3e → NO + 2H₂O CIO₂ + e→→ CIO₂ 2Hg2+ + 2c7 → Hg₂²+ Ag+ + e → Ag Hg₂+ + 2e →→ 2Hg Fe³+ + e Fe2+ O₂ + 2H+ + 2e → H₂O₂ MnO4 + e→→ MnO4²- 21- 1₂ +2e Cut + e → Cu 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4c→ 40H Cu²+ + 2e →→ Cu Hg₂Cl₂ + 2e →→ 2Hg + 2Cl- AgCleAg + Cl- SO4²- + 4H+ + 2e¯ → H₂SO3 + H₂O Cu²+ + e→ Cu+ 2H+ + 2e7 → H₂ →→ Fe →→ Pb → Sn → Ni Fe³+ + 3e Pb²+ + 2e Sn²+ + 2e7 Ni²+ + 2e7 →→ Pb + SO4²- PbSO4 + 2e Cr³+ + e→→ Cd²+ + 2e7 → Cd Fe2+ + 2e7 → Fe Cr²+ → Cr → Zn Cr3+ + 3e- Zn²+ + 2e7 2H₂O + 2e → H₂ + 2OH- Mn²+ + 2e7 → Mn Al³+ + 3e → Al H₂ +2e7 → 2H- Mg2+ + 2c→→ Mg La³+ + 3e7 → La Na+ + e- → Na Ca²+ + 2e7 → Ca Ba2+ + 2e7 → Ba K+ + e→→ K Lite Li 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 -0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 - 2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05
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