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Thế điện cực > • Bảng giá trị thế điện cực chuẩn

| Mn | MnO− 4 + 2 H2O + 3 e− | ⇌ | MnO 2(s) + 4 OH− | 0.595 | 3 |  |
| S | S 2O2− 3 + 6 H+ + 4 e− | ⇌ | 2S(s) + 3 H2O | 0.6 | 4 |  |
| Mo | H2MoO4(aq) + 2 H+ + 2 e− | ⇌ | MoO 2(s) + 2 H2O | 0.65 | 2 |  |
| C |  + 2 H+ + 2 e− | ⇌ |  | 0.6992 | 2 |  |
| O | O 2(g) + 2 H+ + 2 e− | ⇌ | H2O2(aq) | 0.7 | 2 |  |
| Tl | Tl3+  + 3 e− | ⇌ | Tl(s) | 0.72 | 3 |  |
| Pt | PtCl2− 6 + 2 e− | ⇌ | PtCl2− 4 + 2Cl−  | 0.726 | 2 |  |
| Fe | Fe2O3(s) + 6 H+ + 2 e− | ⇌ | 2Fe2+ + 3 H2O | 0.728 | 2 |  |
| Se | H2SeO3(aq) + 4 H+ + 4 e− | ⇌ | Se(s) + 3 H2O | 0.74 | 4 |  |
| Pt | PtCl2− 4 + 2 e− | ⇌ | Pt(s) + 4Cl−  | 0.758 | 2 |  |
| Fe | Fe3+  +  e− | ⇌ | Fe2+  | 0.77 | 1 |  |
| Ag | Ag+ +  e− | ⇌ | Ag(s) | 0.7996 | 1 |  |
| Hg | Hg2+2 + 2 e− | ⇌ | 2Hg(l) | 0.8 | 2 |  |
| N | NO−3(aq) + 2 H+ +  e− | ⇌ | NO2(g) +  H2O | 0.8 | 1 |  |
| Fe | 2FeO2−4 + 5 H2O + 6 e− | ⇌ | Fe 2O 3(s) + 10 OH− | 0.81 | 6 |  |
| Au | [AuBr 4]−  + 3 e− | ⇌ | Au(s) + 4Br−  | 0.85 | 3 |  |
| Hg | Hg2+  + 2 e− | ⇌ | Hg(l) | 0.85 | 2 |  |
| Ir | [IrCl 6]2−  +  e− | ⇌ | [IrCl 6]3−  | 0.87 | 1 |  |
| Mn | MnO− 4 +  H+ +  e− | ⇌ | HMnO− 4 | 0.9 | 1 |  |
| Hg | 2Hg2+  + 2 e− | ⇌ | Hg2+ 2 | 0.91 | 2 |  |
| Pd | Pd2+ + 2 e− | ⇌ | Pd(s) | 0.915 | 2 |  |
| Au | [AuCl 4]−  + 3 e− | ⇌ | Au(s) + 4Cl−  | 0.93 | 3 |  |
| Mn | MnO 2(s) + 4 H+ +  e− | ⇌ | Mn3+  + 2 H2O | 0.95 | 1 |  |
| N | NO−3(aq) + 4 H+ + 3 e− | ⇌ | NO(g) + 2 H2O(l) | 0.958 | 3 |  |
| Au | [AuBr 2]−  +  e− | ⇌ | Au(s) + 2Br−  | 0.96 | 1 |  |
| Fe | Fe3O4(s) + 8 H+ + 2 e− | ⇌ | 3Fe2+ + 4 H2O | 0.98 | 2 |  |
| Xe | [HXeO 6]3−  + 2 H2O + 2 e− | ⇌ | [HXeO 4]−  + 4 OH− | 0.99 | 2 |  |
| V | [VO 2]+ (aq) + 2 H+ +  e− | ⇌ | [VO]2+(aq) +  H2O | 1 | 1 |  |
| Te | H6TeO6(aq) + 2 H+ + 2 e− | ⇌ | TeO 2(s) + 4 H2O | 1.02 | 2 |  |
| Br | Br2(l) + 2 e− | ⇌ | 2Br−  | 1.066 | 2 |  |
| Br | Br2(aq) + 2 e− | ⇌ | 2Br−  | 1.0873 | 2 |  |
| Ru | RuO 2 + 4 H+ + 2 e− | ⇌ | Ru2+ (aq) + 2 H2O | 1.120 | 2 |  |
| Cu | Cu2+  + 2CN−  +  e− | ⇌ | Cu(CN)− 2 | 1.12 | 1 |  |
| I | IO− 3 + 5 H+ + 4 e− | ⇌ | HIO(aq) + 2 H2O | 1.13 | 4 |  |
| Au | [AuCl 2]−  +  e− | ⇌ | Au(s) + 2Cl−  | 1.15 | 1 |  |
| Se | HSeO− 4 + 3 H+ + 2 e− | ⇌ | H 2SeO 3(aq) +  H2O | 1.15 | 2 |  |
| Ag | Ag2O(s) + 2 H+ + 2 e− | ⇌ | 2Ag(s) +  H2O | 1.17 | 2 |  |
| Cl | ClO− 3 + 2 H+ +  e− | ⇌ | ClO2(g) +  H2O | 1.18 | 1 |  |
| Xe | [HXeO 6]3−  + 5 H2O + 8 e− | ⇌ | Xe(g) + 11 OH− | 1.18 | 8 |  |
| Pt | Pt2+ + 2 e− | ⇌ | Pt(s) | 1.188 | 2 |  |
| Cl | ClO 2(g) +  H+ +  e− | ⇌ | HClO 2(aq) | 1.19 | 1 |  |
| I | 2IO− 3 + 12 H+ + 10 e− | ⇌ | I2(s) + 6 H2O | 1.2 | 10 |  |
| Cl | ClO− 4 + 2 H+ + 2 e− | ⇌ | ClO− 3 +  H2O | 1.2 | 2 |  |
| Mn | MnO2(s) + 4 H+ + 2 e− | ⇌ | Mn2+  + 2 H2O | 1.224 | 2 |  |
| O | O 2(g) + 4 H+ + 4 e− | ⇌ | 2 H2O | 1.229 | 4 |  |
| Ru | [Ru(bipy) 3]3+  +  e− | ⇌ | [Ru(bipy)3]2+ | 1.24 | 1 |  |
| Xe | [HXeO 4]−  + 3 H2O + 6 e− | ⇌ | Xe(g) + 7 OH− | 1.24 | 6 |  |
| Tl | Tl3+  + 2 e− | ⇌ | Tl+  | 1.25 | 2 |  |
| Cr | Cr 2O2− 7 + 14 H+ + 6 e− | ⇌ | 2Cr3+  + 7 H2O | 1.33 | 6 |  |
| Cl | Cl2(g) + 2 e− | ⇌ | 2Cl−  | 1.36 | 2 |  |
| Ru | RuO− 4(aq) + 8 H+ + 5 e− | ⇌ | Ru2+ (aq) + 4 H2O | 1.368 | 5 |  |
| Ru | RuO4 + 4 H+ + 4 e− | ⇌ | RuO2 + 2 H2O | 1.387 | 4 |  |
| Co | CoO 2(s) + 4 H+ +  e− | ⇌ | Co3+  + 2 H2O | 1.42 | 1 |  |
| N | 2NH3OH+ +  H+ + 2 e− | ⇌ | N2H+5 + 2 H2O | 1.42 | 2 |  |
| I | 2HIO(aq) + 2 H+ + 2 e− | ⇌ | I 2(s) + 2 H2O | 1.44 | 2 |  |
| Br | BrO− 3 + 5 H+ + 4 e− | ⇌ | HBrO(aq) + 2 H2O | 1.45 | 4 |  |
| Pb | β-PbO2(s) + 4 H+ + 2 e− | ⇌ | Pb2+  + 2 H2O | 1.46 | 2 |  |
| Pb | α-PbO2(s) + 4 H+ + 2 e− | ⇌ | Pb2+  + 2 H2O | 1.468 | 2 |  |
| Br | 2BrO− 3 + 12 H+ + 10 e− | ⇌ | Br 2(l) + 6 H2O | 1.48 | 10 |  |
| Cl | 2ClO− 3 + 12 H+ + 10 e− | ⇌ | Cl 2(g) + 6 H2O | 1.49 | 10 |  |
| Cl | HClO(aq) +  H+ + 2 e− | ⇌ | Cl− (aq) +  H2O | 1.49 | 2 |  |
| Mn | MnO− 4 + 8 H+ + 5 e− | ⇌ | Mn2+  + 4 H2O | 1.51 | 5 |  |
| O | HO• 2 +  H+ +  e− | ⇌ | H2O2(aq) | 1.51 | 1 |  |
| Au | Au3+  + 3 e− | ⇌ | Au(s) | 1.52 | 3 |  |
| Ru | RuO2− 4(aq) + 8 H+ + 4 e− | ⇌ | Ru2+ (aq) + 4 H2O | 1.563 | 4 |  |
| Ni | NiO 2(s) + 2 H+ + 2 e− | ⇌ | Ni2+  + 2 OH− | 1.59 | 2 |  |
| Ce | Ce4+  +  e− | ⇌ | Ce3+  | 1.61 | 1 |  |
| Cl | 2HClO(aq) + 2 H+ + 2 e− | ⇌ | Cl 2(g) + 2 H2O | 1.63 | 2 |  |
| Ag | Ag 2O 3(s) + 6 H+ + 4 e− | ⇌ | 2Ag+  + 3 H2O | 1.67 | 4 |  |
| Cl | HClO2(aq) + 2 H+ + 2 e− | ⇌ | HClO(aq) +  H2O | 1.67 | 2 |  |
| Pb | Pb4+  + 2 e− | ⇌ | Pb2+  | 1.69 | 2 |  |
| Mn | MnO−4 + 4 H+ + 3 e− | ⇌ | MnO2(s) + 2 H2O | 1.7 | 3 |  |
| Ag | AgO(s) + 2 H+ +  e− | ⇌ | Ag+  +  H2O | 1.77 | 1 |  |
| O | H2O2(aq) + 2 H+ + 2 e− | ⇌ | 2 H2O | 1.78 | 2 |  |
| Co | Co3+  +  e− | ⇌ | Co2+  | 1.82 | 1 |  |
| Au | Au+  +  e− | ⇌ | Au(s) | 1.83 | 1 |  |
| Br | BrO− 4 + 2 H+ + 2 e− | ⇌ | BrO− 3 +  H2O | 1.85 | 2 |  |
| Ag | Ag2+  +  e− | ⇌ | Ag+  | 1.98 | 1 |  |
| O | S2O2−8 + 2 e− | ⇌ | 2SO2−4 | 2.01 | 2 |  |
| O | O3(g) + 2 H+ + 2 e− | ⇌ | O 2(g) +  H2O | 2.075 | 2 |  |
| Mn | HMnO− 4 + 3 H+ + 2 e− | ⇌ | MnO 2(s) + 2 H2O | 2.09 | 2 |  |
| Xe | XeO 3(aq) + 6 H+ + 6 e− | ⇌ | Xe(g) + 3 H2O | 2.12 | 6 |  |
| Xe | H 4XeO 6(aq) + 8 H+ + 8 e− | ⇌ | Xe(g) + 6 H2O | 2.18 | 8 |  |
| Fe | FeO2−4 + 8 H+ + 3 e− | ⇌ | Fe3+  + 4 H2O | 2.2 | 3 |  |
| Xe | XeF 2(aq) + 2 H+ + 2 e− | ⇌ | Xe(g) + 2HF(aq) | 2.32 | 2 |  |
| Xe | H 4XeO 6(aq) + 2 H+ + 2 e− | ⇌ | XeO 3(aq) + 3 H2O | 2.42 | 2 |  |
| F | F2(g) + 2 e− | ⇌ | 2F−  | 2.87 | 2 |  |
| F | F2(g) + 2 H+ + 2 e− | ⇌ | 2HF(aq) | 3.05 | 2 |  |
| Tb | Tb4+ + e– | ⇌ | Tb3+ | 3.1 | 1 |  |
| Pr | Pr4+ + e– | ⇌ | Pr3+ | 3.2 | 1 |  |
| Kr | KrF2(aq) + 2 e− | ⇌ | Kr(g) + 2F− (aq) | 3.27 | 2 |  |