| title | layout |
|---|---|
Standard Electrode (Half-Cell) Potentials |
page |
| Standard Electrode (Half-Cell) Potentials | |
|---|---|
| Half-Reaction | E° (V) |
| Ag++e−⟶Ag | +0.7996 |
| AgCl+e−⟶Ag+Cl− | +0.22233 |
| [Ag(CN)2]−+e−⟶Ag+2CN− | −0.31 |
| Ag2CrO4+2e−⟶2Ag+CrO42− | +0.45 |
| [Ag(NH3)2]++e−⟶Ag+2NH3 | +0.373 |
| [Ag(S2O3)2]3++e−⟶Ag+2S2O32− | +0.017 |
| [AlF6]3−+3e−⟶Al+6F− | −2.07 |
| Al3++3e−⟶Al | −1.662 |
| Am3++3e−⟶Am | −2.048 |
| Au3++3e−⟶Au | +1.498 |
| Au++e−⟶Au | +1.692 |
| Ba2++2e−⟶Ba | −2.912 |
| Be2++2e−⟶Be | −1.847 |
| Br2(aq)+2e−⟶2Br− | +1.0873 |
| Ca2++2e−⟶Ca | −2.868 |
| Ce3+3e−⟶Ce | −2.483 |
| Ce4++e−⟶Ce3+ | +1.61 |
| Cd2++2e−⟶Cd | −0.4030 |
| [Cd(CN)4]2−+2e−⟶Cd+4CN− | −1.09 |
| [Cd(NH3)4]2++2e−⟶Cd+4NH3 | −0.61 |
| CdS+2e−⟶Cd+S2− | −1.17 |
| Cl2+2e−⟶2Cl− | +1.35827 |
| ClO4−+H2O+2e−⟶ClO3−+2OH− | +0.36 |
| ClO3−+H2O+2e−⟶ClO2−+2OH− | +0.33 |
| ClO2−+H2O+2e−⟶ClO−+2OH− | +0.66 |
| ClO−+H2O+2e−⟶Cl−+2OH− | +0.89 |
| ClO4−+2H3O++2e−⟶ClO3−+3H2O | +1.189 |
| ClO3−+3H3O++2e−⟶HClO2+4H2O | +1.21 |
| HClO+H3O++2e−⟶Cl−+2H2O | +1.482 |
| HClO+H3O++e−⟶12Cl2+2H2O | +1.611 |
| HClO2+2H3O++2e−⟶HClO+3H2O | +1.628 |
| Co3++e−⟶Co2+(2mol//H2SO4) | +1.83 |
| Co2++2e−⟶Co | −0.28 |
| [Co(NH3)6]3++e−⟶[Co(NH3)6]2+ | +0.1 |
| Co(OH)3+e−⟶Co(OH)2+OH− | +0.17 |
| Cr3+3e−⟶Cr | −0.744 |
| Cr3++e−⟶Cr2+ | −0.407 |
| Cr2++2e−⟶Cr | −0.913 |
| [Cu(CN)2]−+e−⟶Cu+2CN− | −0.43 |
| CrO42−+4H2O+3e−⟶Cr(OH)3+5OH− | −0.13 |
| Cr2O72−+14H3O++6e−⟶2Cr3++21H2O | +1.232 |
| [Cr(OH)4]−+3e−⟶Cr+4OH− | −1.2 |
| Cr(OH)3+3e−⟶Cr+3OH− | −1.48 |
| Cu2++e−⟶Cu+ | +0.153 |
| Cu2++2e−⟶Cu | +0.34 |
| Cu++e−⟶Cu | +0.521 |
| F2+2e−⟶2F− | +2.866 |
| Fe2++2e−⟶Fe | −0.447 |
| Fe3++e−⟶Fe2+ | +0.771 |
| [Fe(CN)6]3−+e−⟶[Fe(CN)6]4− | +0.36 |
| Fe(OH)2+2e−⟶Fe+2OH− | −0.88 |
| FeS+2e−⟶Fe+S2− | −1.01 |
| Ga3++3e−⟶Ga | −0.549 |
| Gd3++3e−⟶Gd | −2.279 |
| 12H2+e−⟶H− | −2.23 |
| 2H2O+2e−⟶H2+2OH− | −0.8277 |
| H2O2+2H3O++2e−⟶4H2O | +1.776 |
| 2H3O++2e−⟶H2+2H2O | 0.00 |
| HO2−+H2O+2e−⟶3OH− | +0.878 |
| Hf4++4e−⟶Hf | −1.55 |
| Hg2++2e−⟶Hg | +0.851 |
| 2Hg2++2e−⟶Hg22+ | +0.92 |
| Hg22++2e−⟶2Hg | +0.7973 |
| [HgBr4]2−+2e−⟶Hg+4Br− | +0.21 |
| Hg2Cl2+2e−⟶2Hg+2Cl− | +0.26808 |
| [Hg(CN)4]2−+2e−⟶Hg+4CN− | −0.37 |
| [HgI4]2−+2e−⟶Hg+4I− | −0.04 |
| HgS+2e−⟶Hg+S2− | −0.70 |
| I2+2e−⟶2I− | +0.5355 |
| In3++3e−⟶In | −0.3382 |
| K++e−⟶K | −2.931 |
| La3++3e−⟶La | −2.52 |
| Li++e−⟶Li | −3.04 |
| Lu3++3e−⟶Lu | −2.28 |
| Mg2++2e−⟶Mg | −2.372 |
| Mn2++2e−⟶Mn | −1.185 |
| MnO2+2H2O+2e−⟶Mn(OH)2+2OH− | −0.05 |
| MnO4−+2H2O+3e−⟶MnO2+4OH− | +0.558 |
| MnO2+4H++2e−⟶Mn2++2H2O | +1.23 |
| MnO4−+8H++5e−⟶Mn2++4H2O | +1.507 |
| Na++e−⟶Na | −2.71 |
| Nd3++3e−⟶Nd | −2.323 |
| Ni2++2e−⟶Ni | −0.257 |
| [Ni(NH3)6]2++2e−⟶Ni+6NH3 | −0.49 |
| NiO2+4H++2e−⟶Ni2++2H2O | +1.593 |
| NiO2+2H2O+2e−⟶Ni(OH)2+2OH− | +0.49 |
| NiS+2e−⟶Ni+S2− | +0.76 |
| NO3−+4H++3e−⟶NO+2H2O | +0.957 |
| NO3−+3H++2e−⟶HNO2+H2O | +0.92 |
| NO3−+H2O+2e−⟶NO2−+2OH− | +0.10 |
| Np3++3e−⟶Np | −1.856 |
| O2+2H2O+4e−⟶4OH− | +0.401 |
| O2+2H++2e−⟶H2O2 | +0.695 |
| O2+4H++4e−⟶2H2O | +1.229 |
| Pb2++2e−⟶Pb | −0.1262 |
| PbO2+SO42−+4H++2e−⟶PbSO4+2H2O | +1.69 |
| PbS+2e−⟶Pb+S2− | −0.95 |
| PbSO4+2e−⟶Pb+SO42− | −0.3505 |
| Pd2++2e−⟶Pd | +0.987 |
| [PdCl4]2−+2e−⟶Pd+4Cl− | +0.591 |
| Pt2++2e−⟶Pt | +1.20 |
| [PtBr4]2−+2e−⟶Pt+4Br− | +0.58 |
| [PtCl4]2−+2e−⟶Pt+4Cl− | +0.755 |
| [PtCl6]2−+2e−⟶[PtCl4]2−+2Cl− | +0.68 |
| Pu3+3e−⟶Pu | −2.03 |
| Ra2++2e−⟶Ra | −2.92 |
| Rb++e−⟶Rb | −2.98 |
| [RhCl6]3−+3e−⟶Rh+6Cl− | +0.44 |
| S+2e−⟶S2− | −0.47627 |
| S+2H++2e−⟶H2S | +0.142 |
| Sc3++3e−⟶Sc | −2.09 |
| Se+2H++2e−⟶H2Se | −0.399 |
| [SiF6]2−+4e−⟶Si+6F− | −1.2 |
| SiO32−+3H2O+4e−⟶Si+6OH− | −1.697 |
| SiO2+4H++4e−⟶Si+2H2O | −0.86 |
| Sm3++3e−⟶Sm | −2.304 |
| Sn4++2e−⟶Sn2+ | +0.151 |
| Sn2++2e−⟶Sn | −0.1375 |
| [SnF6]2−+4e−⟶Sn+6F− | −0.25 |
| SnS+2e−⟶Sn+S2− | −0.94 |
| Sr2++2e−⟶Sr | −2.89 |
| TeO2+4H++4e−⟶Te+2H2O | +0.593 |
| Th4++4e−⟶Th | −1.90 |
| Ti2++2e−⟶Ti | −1.630 |
| U3++3e−⟶U | −1.79 |
| V2++2e−⟶V | −1.19 |
| Y3++3e−⟶Y | −2.37 |
| Zn2++2e−⟶Zn | −0.7618 |
| [Zn(CN)4]2−+2e−⟶Zn+4CN− | −1.26 |
| [Zn(NH3)4]2++2e−⟶Zn+4NH3 | −1.04 |
| Zn(OH)2+2e−⟶Zn+2OH− | −1.245 |
| [Zn(OH)4]2+2e−⟶Zn+4OH− | −1.199 |
| ZnS+2e−⟶Zn+S2− | −1.40 |
| Zr4+4e−⟶Zr | −1.539 |