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 |