Benutzer:BirgitLachner/Ablage
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Elektrochemische Spannungsreihe
[Bearbeiten | Quelltext bearbeiten](Standardpotentiale bei 25 °C; 101,3 kPa; pH = 0; Ionenaktivitäten 1 mol/l)
| Element im Redox-Paar, dessen Oxidationsstufe sich ändert |
oxidierte Form | + z e− ⇌ | reduzierte Form | Standardpotential E° |
|---|---|---|---|---|
| Fluor (F) | F2 | + 2 e− ⇌ | 2 F− | +2,87 V |
| Schwefel (S) | S2O82− | + 2 e− ⇌ | 2 SO42− | +2,00 V |
| Sauerstoff (O) | H2O2 + 2 H3O+- |
+ 2 e− ⇌ | 4 H2O | +1,78 V |
| Gold (Au) | Au+ | + e− ⇌ | Au | +1,69 V |
| Gold (Au) | Au3+ | + 3 e− ⇌ | Au | +1,50 V |
| Gold (Au) | Au3+ | + 2 e− ⇌ | Au+ | +1,40 V |
| Chlor (Cl) | Cl2 | + 2 e− ⇌ | 2 Cl− | +1,36 V |
| Chrom (Cr) | Cr6+ | + 3 e− ⇌ | Cr3+ | +1,33 V |
| Sauerstoff (O) | O2 + 4 H+ | + 4 e− ⇌ | 2 H2O | +1,23 V |
| Platin (Pt) | Pt2+ | + 2 e− ⇌ | Pt | +1,20 V |
| Brom (Br) | Br2 | + 2 e− ⇌ | 2 Br− | +1,07 V |
| Nickel (Ni) | NiO2 + 2 H2O | + 2 e− ⇌ | Ni (OH)2 + 2 OH− | +0,98 V |
| Silicium (Si) | SiO2 + 4 H+ | + 4 e− ⇌ | Si + 2 H2O | +0,857 V |
| Palladium (Pd) | Pd2+ | + 2 e− ⇌ | Pd | +0,85 V |
| Quecksilber (Hg) | Hg2+ | + 2 e− ⇌ | Hg | +0,85 V |
| Silber (Ag) | Ag+ | + e− ⇌ | Ag | +0,80 V |
| Eisen (Fe) | Fe3+ | + e− ⇌ | Fe2+ | +0,77 V |
| Iod (I) | I2 | + 2 e− ⇌ | 2 I− | +0,53 V |
| Kupfer (Cu) | Cu+ | + e− ⇌ | Cu | +0,52 V |
| Sauerstoff (O) | O2 + 2 H2O | + 4 e− ⇌ | 4 OH− | +0,40 V |
| Eisen (Fe) | [Fe (CN)6]3− | + e− ⇌ | [Fe (CN)6]4− | +0,36 V |
| Kupfer (Cu) | Cu2+ | + 2 e− ⇌ | Cu | +0,35 V |
| Kupfer (Cu) | Cu2+ | + e− ⇌ | Cu+ | +0,16 V |
| Zinn (Sn) | Sn4+ | + 2 e− ⇌ | Sn2+ | +0,15 V |
| Wasserstoff (H) | 2 H+ | + 2 e− ⇌ | H2 | 0 V |
| Eisen (Fe) | Fe3+ | + 3 e− ⇌ | Fe | −0,04 V |
| Wolfram (W) | WO2 + 4 H+ | + 4 e− ⇌ | W + 2 H2O | −0,119 V |
| Blei (Pb) | Pb2+ | + 2 e− ⇌ | Pb | −0,13 V |
| Zinn (Sn) | Sn2+ | + 2 e− ⇌ | Sn | −0,14 V |
| Nickel (Ni) | Ni2+ | + 2 e− ⇌ | Ni | −0,23 V |
| Cobalt (Co) | Co2+ | + 2 e− ⇌ | Co | −0,28 V |
| Cadmium (Cd) | Cd2+ | + 2 e− ⇌ | Cd | −0,40 V |
| Eisen (Fe) | Fe2+ | + 2 e− ⇌ | Fe | −0,44 |
| Schwefel (S) | S | + 2 e− ⇌ | S2− | −0,48 V |
| Chrom (Cr) | Cr3+ | + 3 e− ⇌ | Cr | −0,76 V |
| Zink (Zn) | Zn2+ | + 2 e− ⇌ | Zn | −0,76 V |
| Wasser | 2 H2O | + 2 e− ⇌ | H2 + 2 OH− | −0,83 V |
| Chrom (Cr) | Cr2+ | + 2 e− ⇌ | Cr | −0,91 V |
| Aluminium (Al) | Al3+ | + 3 e− ⇌ | Al | −1,66 V |
| Magnesium (Mg) | Mg2+ | + 2 e− ⇌ | Mg | −2,362 V |
| Lanthan (La) | La3+ | + 3 e− ⇌ | La | −2,522 V |
| Natrium (Na) | Na+ | + e− ⇌ | Na | −2,71 V |
| Calcium (Ca) | Ca2+ | + 2 e− ⇌ | Ca | −2,87 V |
| Strontium (Sr) | Sr2+ | + 2 e− ⇌ | Sr | −2,89 V |
| Barium (Ba) | Ba2+ | + 2 e− ⇌ | Ba | −2,92 V |
| Kalium (K) | K+ | + e− ⇌ | K | −2,92 V |
| Caesium (Cs) | Cs+ | + e− ⇌ | Cs | −2,92 V |
| Rubidium (Rb) | Rb+ | + e− ⇌ | Rb | −2,98 V |
| Lithium (Li) | Li+ | + e− ⇌ | Li | −3,04 V |