标准电极电势表
维基百科，自由的百科全书
标准电极电势可以用来计算化学电池或原电池的电化学势或电极电势。
本表中所给出的电极电势以标准氢电极为参比电极，溶液中离子浓度为1 mol/L，气体分压为100000 Pa，温度为298K。[1][2][3][4]
| 半反应 | E |
|---|---|
| Li+ + e− → Li(s) | −3.05 |
| Rb+ + e− → Rb(s) | −2.98 |
| K+ + e− → K(s) | −2.93 |
| Cs+ + e− → Cs(s) | −2.92 |
| Ba2+ + 2e− → Ba(s) | −2.91 |
| Sr2+ + 2e− → Sr(s) | −2.89 |
| Ra2+ + 2e− → Ra(s) | −2.80 |
| Ca2+ + 2e− → Ca(s) | −2.76 |
| Na+ + e− → Na(s) | −2.71 |
| Mg2+ + 2e− → Mg(s) | −2.38 |
| Al(OH)4- + 3e− → Al(s) + 4OH− | −2.33 |
| Al(OH)3 + 3e− → Al(s) + 3OH− | −2.31 |
| H2 + 2e− → 2H− | −2.25 |
| Ac3+ + 3e− → Ac(s) | −2.20 |
| Be2+ + 2e− → Be(s) | −1.85 |
| Al3+ + 3e− → Al(s) | −1.66 |
| Ti2+ + 2e− → Ti(s) | −1.63 |
| TiO(s) + 2H+ + 2e− → Ti(s) + H2O | −1.31 |
| Ti2O3(s) + 2H+ + 2e− → 2TiO(s) + H2O | −1.23 |
| Ti3+ + 3e− → Ti(s) | −1.21 |
| Mn2+ + 2e− → Mn(s) | −1.18 |
| V2+ + 2e− → V(s) | −1.13 |
| Nb3+ + 3e− → Nb(s) | −1.099 |
| Sn(s) + 4H+ + 4e− → SnH4(g) | −1.07 |
| SiO2(s) + 4H+ + 4e− → Si(s) + 2H2O | −0.91 |
| B(OH)3(aq) + 3H+ + 3e− → B(s) + 3H2O | −0.89 |
| TiO2+ + 2H+ + 4e− → Ti(s) + H2O | −0.86 |
| 2 H2O + 2e– → H2(g) + 2 OH– | −0.83 |
| Zn2+ + 2e− → Zn(s) | −0.76 |
| Cr3+ + 3e− → Cr(s) | −0.74 |
| [Au(CN)2]– + e– → Au(s) + 2 CN– | −0.60 |
| PbO(s) + H2O + 2e− → Pb(s) + 2OH− | −0.58 |
| 2TiO2(s) + 2H+ + 2e− → Ti2O3(s) + H2O | −0.56 |
| Ga3+ + 3e− → Ga(s) | −0.53 |
| H3PO2(aq) + H+ + e− → P(s) + 2H2O | −0.51 |
| H3PO3(aq) + 3H+ + 3e− → P(s) + 3H2O | −0.50 |
| H3PO3(aq) + 2H+ + 2e− → H3PO2(aq) + H2O | −0.50 |
| Fe2+ + 2e− → Fe(s) | −0.44 |
| 2CO2(g) + 2H+ + 2e– → HOOCCOOH(aq) | −0.43 |
| Cr3+ + e− → Cr2+ | −0.42 |
| Cd2+ + 2e− → Cd(s) | −0.40 |
| PbSO4(s) + 2e– → Pb(s) +SO42− | −0.36 |
| GeO2(s) + 2H+ + 2e− → GeO(s) + H2O | −0.37 |
| In3+ + 3e− → In(s) | −0.34 |
| Tl+ + e− → Tl(s) | −0.34 |
| Ge(s) + 4H+ + 4e− → GeH4(g) | −0.29 |
| Co2+ + 2e → Co(s) | −0.28 |
| H3PO4(aq) + 2H+ + 2e− → H3PO3(aq) + H2O | −0.28 |
| V3+ + e− → V2+ | −0.26 |
| Ni2+ + 2e− → Ni(s) | −0.25 |
| As(s) + 3H+ + 3e− → AsH3(g) | −0.23 |
| MoO2(s) + 4H+ + 4e− → Mo(s) + 2H2O | −0.15 |
| Si(s) + 4H+ + 4e− → SiH4(g) | −0.14 |
| Sn2+ + 2e− → Sn(s) | −0.13 |
| O2(g) + H+ + e− → HO2•(aq) | −0.13 |
| Pb2+ + 2e− → Pb(s) | −0.13 |
| WO2(s) + 4H+ + 4e− → W(s) + 2H2O | −0.12 |
| CO2(g) + 2H+ + 2e− → HCOOH(aq) | −0.11 |
| Se(s) + 2H+ + 2e− → H2Se(g) | −0.11 |
| CO2(g) + 2H+ + 2e− → CO(g) + H2O | −0.11 |
| SnO(s) + 2H+ + 2e− → Sn(s) + H2O | −0.10 |
| SnO2(s) + 2H+ + 2e− → SnO(s) + H2O | −0.09 |
| WO3(aq) + 6H+ + 6e− → W(s) + 3H2O | −0.09 |
| P(s) + 3H+ + 3e− → PH3(g) | −0.06 |
| HCOOH(aq) + 2H+ + 2e− → HCHO(aq) + H2O | −0.03 |
| 2H+ + 2e− → H2(g) | 0.0000 |
| H2MoO4(aq) + 6H+ + 6e− → Mo(s) + 4H2O | +0.11 |
| Ge4+ + 4e− → Ge(s) | +0.12 |
| C(s) + 4H+ + 4e− → CH4(g) | +0.13 |
| HCHO(aq) + 2H+ + 2e− → CH3OH(aq) | +0.13 |
| S(s) + 2H+ + 2e− → H2S(g) | +0.14 |
| Sn4+ + 2e− → Sn2+ | +0.15 |
| Cu2+ + e− → Cu+ | +0.16 |
| HSO4− + 3H+ + 2e− → 2H2O + SO2(aq) | +0.16 |
| SO42− + 4H+ + 2e− → 2H2O + SO2(aq) | +0.17 |
| SbO+ + 2H+ + 3e− → Sb(s) + H2O | +0.20 |
| H3AsO3(aq) + 3H+ + 3e− → As(s) + 3H2O | +0.24 |
| GeO(s) + 2H+ + 2e− → Ge(s) + H2O | +0.26 |
| Re3+ + 3e− → Re(s) | +0.300 |
| Bi3+ + 3e− → Bi(s) | +0.32 |
| VO2+ + 2H+ + e− → V3+ | +0.34 |
| Cu2+ + 2e− → Cu(s) | +0.34 |
| [Fe(CN)6]3− + e− → [Fe(CN)6]4− | +0.36 |
| O2(g) + 2H2O + 4e– → 4OH–(aq) | +0.40 |
| H2MoO4 + 6H+ + 3e− → Mo3+ | +0.43 |
| CH3OH(aq) + 2H+ + 2e− → CH4(g) + H2O | +0.50 |
| SO2(aq) + 4H+ + 4e− → S(s) + 2H2O | +0.50 |
| Cu+ + e− → Cu(s) | +0.52 |
| CO(g) + 2H+ + 2e− → C(s) + H2O | +0.52 |
| I2(s) + 2e− → 2I− | +0.54 |
| I3− + 2e− → 3I− | +0.54 |
| [AuI4]− + 3e− → Au(s) + 4I− | +0.56 |
| H3AsO4(aq) + 2H+ + 2e− → H3AsO3(aq) + H2O | +0.56 |
| [AuI2]− + e− → Au(s) + 2I− | +0.58 |
| MnO4–(aq) + 2H2O + 3e– → MnO2(s) + 4OH–(aq) | +0.59 |
| S2O32− + 6H+ + 4e− → 2S(s) + 3H2O | +0.60 |
| H2MoO4(aq) + 2H+ + 2e− → MoO2(s) + 2H2O | +0.65 |
| O2(g) + 2H+ + 2e− → H2O2(aq) | +0.70 |
| Tl3+ + 3e− → Tl(s) | +0.72 |
| H2SeO3(aq) + 4H+ + 4e− → Se(s) + 3H2O | +0.74 |
| Fe3+ + e− → Fe2+ | +0.77 |
| Hg22+ + 2e− → 2Hg(l) | +0.80 |
| Ag+ + e− → Ag(s) | +0.80 |
| NO3–(aq) + 2H+ + e− → NO2(g) + H2O | +0.80 |
| [AuBr4]− + 3e− → Au(s) + 4Br− | +0.85 |
| Hg2+ + 2e− → Hg(l) | +0.85 |
| MnO4− + H+ + e− → HMnO4− | +0.90 |
| 2Hg2+ + 2e− → Hg22+ | +0.91 |
| [AuCl4]− + 3e− → Au(s) + 4Cl− | +0.93 |
| MnO2(s) + 4H+ + e− → Mn3+ + 2H2O | +0.95 |
| [AuBr2]− + e− → Au(s) + 2Br− | +0.96 |
| Br2(l) + 2e− → 2Br− | +1.07 |
| Br2(aq) + 2e− → 2Br− | +1.09 |
| IO3− + 5H+ + 4e− → HIO(aq) + 2H2O | +1.13 |
| [AuCl2]− + e− → Au(s) + 2Cl− | +1.15 |
| HSeO4− + 3H+ + 2e− → H2SeO3(aq) + H2O | +1.15 |
| Ag2O(s) + 2H+ + 2e− → 2Ag(s) | +1.17 |
| ClO3− + 2H+ + e− → ClO2(g) + H2O | +1.18 |
| ClO2(g) + H+ + e− → HClO2(aq) | +1.19 |
| 2IO3− + 12H+ + 10e− → I2(s) + 6H2O | +1.20 |
| ClO4− + 2H+ + 2e− → ClO3− + H2O | +1.20 |
| O2(g) + 4H+ + 4e− → 2H2O | +1.23 |
| MnO2(s) + 4H+ + 2e− → Mn2+ + 2H2O | +1.23 |
| Tl3+ + 2e− → Tl+ | +1.25 |
| Cl2(g) + 2e− → 2Cl− | +1.36 |
| Cr2O72− + 14H+ + 6e− → 2Cr3+ + 7H2O | +1.33 |
| CoO2(s) + 4H+ + e− → Co3+ + 2H2O | +1.42 |
| 2HIO(aq) + 2H+ + 2e− → I2(s) + 2H2O | +1.44 |
| BrO3− + 5H+ + 4e− → HBrO(aq) + 2H2O | +1.45 |
| 2BrO3− + 12H+ + 10e− → Br2(l) + 6H2O | +1.48 |
| 2ClO3− + 12H+ + 10e− → Cl2(g) + 6H2O | +1.49 |
| MnO4− + 8H+ + 5e− → Mn2+ + 4H2O | +1.51 |
| HO2• + H+ + e− → H2O2(aq) | +1.51 |
| Au3+ + 3e− → Au(s) | +1.52 |
| NiO2(s) + 4H+ + 2e− → Ni2+ | +1.59 |
| 2HClO(aq) + 2H+ + 2e− → Cl2(g) + 2H2O | +1.63 |
| Ag2O3(s) + 6H+ + 4e− → 2Ag+ + 3H2O | +1.67 |
| HClO2(aq) + 2H+ + 2e− → HClO(aq) + H2O | +1.67 |
| Pb4+ + 2e− → Pb2+ | +1.69 |
| MnO4− + 4H+ + 3e− → MnO2(s) + 2H2O | +1.70 |
| H2O2(aq) + 2H+ + 2e− → 2H2O | +1.78 |
| AgO(s) + 2H+ + e− → Ag+ + H2O | +1.77 |
| Co3+ + e− → Co2+ | +1.82 |
| Au+ + e− → Au(s) | +1.83 |
| BrO4− + 2H+ + 2e− → BrO3− + H2O | +1.85 |
| Ag2+ + e− → Ag+ | +1.98 |
| S2O82− + 2e– → 2SO42− | +2.07 |
| HMnO4− + 3H+ + 2e− → MnO2(s) + 2H2O | +2.09 |
| F2(g) + 2e− → 2F− | +2.87 |
| F2(g) + 2H+ + 2e− → 2HF(aq) | +3.05 |
[编辑] 参考文献
- http://www.jesuitnola.org/upload/clark/Refs/red_pot.htm
- http://hyperphysics.phy-astr.gsu.edu/Hbase/tables/electpot.html#c1
- ^ Milazzo, G., Caroli, S., and Sharma, V. K. (1978). Tables of Standard Electrode Potentials (Wiley, Chichester).
- ^ Bard, A. J., Parsons, R., and Jordan, J. (1985). Standard Potentials in Aqueous Solutions (Marcel Dekker, New York).
- ^ Bratsch, S. G. (1989). Journal of Physical Chemistry Reference Data Vol. 18, pp. 1–21.
- ^ Vanysek, Petr (2006). "Electrochemical Series," in Handbook of Chemistry and Physics: 87th Edition (Chemical Rubber Company).
