Standardní redukční elektrodové potenciály při 25°C - oxidačně redukční elektrody
|
Elektroda |
Elektrodová reakce |
E° (V) |
|
Au3+/Au+ |
Au3+ + 2 e- → Au+ |
+1.41 |
|
Ce4+/Ce3+ |
Ce4+ + e− → Ce3+ |
+1.61 |
|
ClO4−/ClO3−,OH− |
ClO4− + H2O + 2 e− → ClO3− + 2 OH− |
+0.36 |
|
ClO3−/ClO2−,OH− |
ClO3- + H2O + 2 e− → ClO2− + 2 OH− |
+0.33 |
|
ClO3−/ClO−,OH− |
ClO3− + H2O + 2 e− → ClO− + 2 OH− |
+0.66 |
|
ClO−/Cl−,OH− |
ClO− + H2O + 2 e− → Cl− + 2 OH− |
+0.89 |
|
Co3+/Co2+ |
Co3+ + e− → Co2+ |
+1.81 |
|
Cr3+/Cr2+ |
Cr3+ + e− → Cr2+ |
-0.408 |
|
Cu2+/Cu+ |
Cu2+ + e− → Cu+ |
+0.167 |
|
Fe3+/Fe2+ |
Fe3+ + e− → Fe2+ |
+0.771 |
|
H+,chinon/hydrochinon |
C6H4O2 + 2 H+ + 2 e− → C6H4(OH)2 |
+0.699 |
|
H+,ClO4−/ClO3− |
ClO4− + 2 H+ + 2 e− → ClO3− + H2O |
+1.19 |
|
H+,ClO3−/HClO2 |
ClO3− + 3 H+ + 2 e− → HClO2 + H2O |
+1.21 |
|
H+,CO2/HCOOH |
CO2 + 2 H+ + 2 e− → HCOOH |
-0.199 |
|
H+,Cr2O72−/Cr3+ |
Cr2O72− + 14 H+ + 6 e− → 2 Cr3+ + 7 H2O |
+1.330 |
|
H+,H2SO3/S2O32− |
2 H2SO3 + 2 H+ + 4 e− → S2O32− + 3 H2O |
+0.400 |
|
H+,H3PO4/H3PO3 |
H3PO4 + 2 H+ + 2 e− → H3PO3 + H2O |
-0.276 |
|
H+,HClO2/HClO |
HClO2 + 2 H+ + 2 e− → HClO + H2O |
+1.64 |
|
H+,HClO/Cl2 |
HClO + H+ + e− → 1/2 Cl2 + H2O |
+1.63 |
|
H+,HNO2−/NO |
HNO2− + H+ + e− → NO + H2O |
+1.00 |
|
H+,IO3−/I2 |
IO3− + 6 H+ + 5 e− → 1/2 I2 + 3 H2O |
+1.195 |
|
H+,MnO2/Mn2+ |
MnO2 + 4 H+ + 2 e− → Mn2+ + 2 H2O |
+1.23 |
|
H+,MnO4−/Mn2+ |
MnO4− + 8 H+ + 5 e− → Mn2+ + 4 H2O |
+1.51 |
|
H+,NO3−/HNO2 |
NO3− + 3 H+ + 2 e− → HNO2 + H2O |
+0.94 |
|
H+,NO3−/NO |
NO3− + 4 H+ + 4 e− → NO + 2 H2O |
+0.96 |
|
H+,O2 |
O2 + 4 H+ + 4 e− → 2 H2O |
+1.229 |
|
H+,O2/H2O2 |
O2 + 2 H+ + 2 e− → H2O2 |
+0.682 |
|
H+,PbO2,SO42−/PbSO4 |
PbO2 + 4 H+ + SO42− + 2 e− → PbSO4 + 2 H2O |
+1.695 |
|
H+,PbO2/Pb2+ |
PbO2 + 4 H+ + 2 e− → Pb2+ + 2 H2O |
+1.455 |
|
H2,OH− |
2 H2O + 2 e− → H2 + 2 OH− |
-0.828 |
|
Hg2+/Hg+ |
Hg2+ + e− → Hg+ |
+0.920 |
|
Mn3+/Mn2+ |
Mn3+ + e− → Mn2+ |
+1.51 |
|
MnO4−/MnO2,OH− |
MnO4− + 2 H2O + 3 e− → MnO2 + 4 OH− |
+0.588 |
|
NO3−/NO2−,OH− |
NO3− + H2O + 2 e− → NO2− + 2 OH− |
+0.01 |
|
PtCl62−/PtCl42−,Cl− |
PtCl62− + 2 e− → PtCl42− + 2 Cl− |
+0.68 |
|
Sn4+/Sn2+ |
Sn4+ + 2 e− → Sn2+ |
+0.15 |
|
Ti3+/Ti2+ |
Ti3+ + e− → Ti2+ |
+0.370 |
|
Ti4+/Ti3+ |
Ti4+ + e− → Ti3+ |
-0.04 |
|
Tl3+/Ti+ |
Tl3+ + 2 e− → Tl+ |
+1.25 |
|
V3+/V2+ |
V3+ + e− → V2+ |
-0.255 |
|
[Fe(CN)6]4−/[Fe(CN)6]4− |
[Fe(CN)6]3− + 2 e− → [Fe(CN)6]4− |
+0.36 |