Standardní redukční elektrodové potenciály při 25°C - elektrody druhého druhu
Elektroda |
Elektrodová reakce |
E° (V) |
Ag2CrO4/Ag/CrO42− |
Ag2CrO4 + 2 e- → Ag + CrO42− |
+ 0,464 |
Ag2O/Ag/OH− |
Ag2O +H2O + 2 e− → 2 Ag + 2 OH− |
+ 0,345 |
Ag2SO4/Ag/SO42− |
Ag2SO4 + 2 e− → 2 Ag + SO42− |
+ 0,650 |
Ag2S/Ag/S2− |
Ag2S + 2 e− → 2 Ag + S2− |
- 0,660 |
AgBr/Ag/Br− |
AgBr + e− → Ag + Br− |
+ 0,071 |
AgCl/Ag/Cl− |
AgCl + e− → Ag + Cl− |
+ 0,222 |
AgCN/Ag/CN− |
AgCN + e− → Ag + CN− |
- 0,017 |
AgIO3/Ag/IO3− |
AgIO3 + e− → Ag + IO3− |
+ 0,354 |
AgI/Ag/I− |
AgI + e− → Ag + I− |
- 0,152 |
AgSCN/Ag/SCN− |
AgSCN + e− → Ag + SCN− |
+ 0,095 |
Al(OH)2/Al/OH− |
Al(OH)3 + 3 e− → Al + 3 OH− |
- 2,300 |
Ba(OH)2/Ba/OH− |
Ba(OH)2 + 2 e− → Ba + 2 OH− |
- 2,810 |
Bi2O3/Bi/H+ |
Bi2O3 + 6 H+ + 6 e− → 2 Bi + 3 H2O |
+ 0,371 |
Bi2O3/Bi/OH− |
Bi2O3 + 3 H2O + 3 e− → 2 Bi + 6OH− |
- 0,460 |
Ca(OH)2/Ca/OH− |
Ca(OH)2 + 2 e− → Ca + 2 OH− |
- 3,020 |
Cd(OH)2/Cd/OH− |
Cd(OH)2 + 2 e− → Cd + 2 OH− |
- 0,809 |
CdCO3/Cd/CO32− |
CdCO3 + 2 e− → Cd + CO32− |
- 0,740 |
CdS/Cd/S2− |
CdS + 2 e− → Cd + S2− |
- 1,175 |
Co(OH)2/Co/OH− |
Co(OH)2 + 2 e− → Co + 2 OH− |
- 0,730 |
Cr(OH)3/Cr/OH− |
Cr(OH)3 + 3 e− → Cr + 3 OH− |
- 1,480 |
Cu2O/Cu/OH− |
Cu2O + H2O + 2 e− → 2 Cu + 2 OH− |
- 0,358 |
Cu2S/Cu/S2− |
Cu2S + 2 e− → 2 Cu + S2− |
- 0,890 |
CuCl/Cu/Cl− |
CuCl + e− → Cu + Cl− |
+ 0,137 |
CuI/Cu/I− |
CuI + e− → Cu + I− |
- 0,185 |
Fe(OH)2/Fe/OH− |
Fe(OH)2 + 2 e− → Fe + 2 OH− |
- 0,877 |
FeCO3/Fe/CO32− |
FeCO3 + 2 e− → Fe + CO32− |
- 0,756 |
FeS/Fe/S2− |
FeS + 2 e− → Fe + S2− |
- 0,950 |
FeCO3/Fe/CO32− |
FeCO3 + 2 e− → Fe + CO32− |
- 0,756 |
FeS/Fe/S2− |
FeS + 2 e− → Fe + S2− |
- 0,950 |
Hg2Br2/Hg/Br− |
Hg2Br2 + e− → Hg + Br− |
+ 0,140 |
Hg2Cl2/Hg/Cl− |
Hg2Cl2 + e− → Hg + Cl− |
+ 0,268 |
Hg2I2/Hg/I− |
Hg2I2 + e− → Hg + I− |
- 0,040 |
Hg2SO4/Hg/SO42− |
Hg2SO4 + 2 e− → 2 Hg + SO42− |
+ 0,615 |
HgO/Hg/OH− |
HgO + H2O + 2 e− → Hg + 2 OH− |
+ 0,098 |
HgS/Hg/S2− |
HgS + 2 e− → Hg + S2− |
- 0,690 |
Mg(OH)2/Mg/OH− |
Mg(OH)2 + 2 e− → Mg + 2 OH− |
- 2,690 |
Mn(OH)2/Mn/OH− |
Mn(OH)2 + 2 e− → Mn + 2 OH− |
- 1,550 |
MnCO3/Mn/CO32− |
MnCO3 + 2 e− → Mn + CO32− |
- 1,500 |
Ni(OH)2/Ni/OH− |
Ni(OH)2 + 2 e− → Ni + 2 OH− |
- 0,720 |
PbBr2/Pb/Br− |
PbBr2 + 2 e− → Pb + 2 Br− |
- 0,284 |
PbCl2/Pb/Cl− |
PbCl2 + 2 e− → Pb + 2 Cl− |
- 0,268 |
PbCO3/Pb/CO32− |
PbCO3 + 2 e− → Pb + CO32− |
- 0,506 |
PbI2/Pb/I− |
PbI2 + 2 e− → Pb + 2 I− |
- 0,365 |
PbO/Pb/OH− |
PbO + H2O + 2 e− → Pb + 2 OH− |
- 0,578 |
PbSO4/Pb/SO42− |
PbSO4 + 2 e− → Pb + SO42− |
- 0,359 |
PbS/Pb/S2− |
PbS + 2 e− → Pb + S2− |
- 0,930 |
Sb2O3/Sb/H+ |
Sb2O3 + 6 H+ + 6 e− → 2 Sb + 3H2O |
+ 0,152 |
SiO2/Si/H+ |
SiO2 + 4 H+ + 4 e− → Si + 2 H2O |
- 0,857 |
TlCl/Tl/Cl− |
TlCl + e− → Tl + Cl− |
- 0,557 |
TlI/Tl/I− |
TlI + e− → Tl + I− |
- 0,753 |
TlOH/Tl/OH− |
TlOH + e− → Tl + OH− |
- 0,345 |
Zn(OH)2/Zn/OH− |
Zn(OH)2 + 2 e− → Zn + 2 OH− |
- 1,245 |
ZnCO3/Zn/CO32− |
ZnCO3 + 2 e− → Zn + CO32− |
- 1,060 |
ZnS/Zn/S2− |
ZnS + 2 e− → Zn + S2− |
- 1,405 |