Standardní redukční elektrodové potenciály při 25°C - elektrody druhého druhu
Elektroda |
Elektrodová reakce |
E° (V) |
Ag2CrO4/Ag/CrO42- |
Ag2CrO4 + 2 e- |
+0.464 |
Ag2O/Ag/OH- |
Ag2O +H2O + 2 e- |
+0.345 |
Ag2SO4/Ag/SO42- |
Ag2SO4 + 2 e- |
+0.650 |
Ag2S/Ag/S2- |
Ag2S + 2 e- |
-0.660 |
AgBr/Ag/Br- |
AgBr + e- |
+0.071 |
AgCl/Ag/Cl- |
AgCl + e- |
+0.222 |
AgCN/Ag/CN- |
AgCN + e- |
-0.017 |
AgIO3/Ag/IO3- |
AgIO3 + e- |
+0.354 |
AgI/Ag/I- |
AgI + e- |
-0.152 |
AgSCN/Ag/SCN- |
AgSCN + e- |
+0.095 |
Al(OH)2/Al/OH- |
Al(OH)3 + 3 e- |
-2.300 |
Ba(OH)2/Ba/OH- |
Ba(OH)2 + 2 e- |
-2.810 |
Bi2O3/Bi/H+ |
Bi2O3 + 6 H+ + 6 e- |
+0.371 |
Bi2O3/Bi/OH- |
Bi2O3 + 3 H2O + 3 e- |
-0.460 |
Ca(OH)2/Ca/OH- |
Ca(OH)2 + 2 e- |
- 3.020 |
Cd(OH)2/Cd/OH- |
Cd(OH)2 + 2 e- |
-0.809 |
CdCO3/Cd/CO32- |
CdCO3 + 2 e- |
-0.740 |
CdS/Cd/S2- |
CdS + 2 e- |
-1.175 |
Co(OH)2/Co/OH- |
Co(OH)2 + 2 e- |
-0.730 |
Cr(OH)3/Cr/OH- |
Cr(OH)3 + 3 e- |
-1.480 |
Cu2O/Cu/OH- |
Cu2O + H2O + 2 e- |
-0.358 |
Cu2S/Cu/S2- |
Cu2S + 2 e- |
-0.890 |
CuCl/Cu/Cl- |
CuCl + e- |
+0.137 |
CuI/Cu/I- |
CuI + e- |
-0.185 |
Fe(OH)2/Fe/OH- |
Fe(OH)2 + 2 e- |
-0.877 |
FeCO3/Fe/CO32- |
FeCO3 + 2 e- |
-0.756 |
FeS/Fe/S2- |
FeS + 2 e- |
-0.950 |
FeCO3/Fe/CO32- |
FeCO3 + 2 e- |
-0.756 |
FeS/Fe/S2- |
FeS + 2 e- |
-0.950 |
Hg2Br2/Hg/Br- |
Hg2Br2 + e- |
+0.140 |
Hg2Cl2/Hg/Cl- |
Hg2Cl2 + e- |
+0.268 |
Hg2I2/Hg/I- |
Hg2I2 + e- |
-0.040 |
Hg2SO4/Hg/SO42- |
Hg2SO4 + 2 e- |
+0.615 |
HgO/Hg/OH- |
HgO + H2O + 2 e- |
+0.098 |
HgS/Hg/S2- |
HgS + 2 e- |
-0.690 |
Mg(OH)2/Mg/OH- |
Mg(OH)2 + 2 e- |
-2.690 |
Mn(OH)2/Mn/OH- |
Mn(OH)2 + 2 e- |
-1.550 |
MnCO3/Mn/CO32- |
MnCO3 + 2 e- |
-1.500 |
Ni(OH)2/Ni/OH- |
Ni(OH)2 + 2 e- |
-0.720 |
PbBr2/Pb/Br- |
PbBr2 + 2 e- |
-0.284 |
PbCl2/Pb/Cl- |
PbCl2 + 2 e- |
-0.268 |
PbCO3/Pb/CO32- |
PbCO3 + 2 e- |
-0.506 |
PbI2/Pb/I- |
PbI2 + 2 e- |
-0.365 |
PbO/Pb/OH- |
PbO + H2O + 2 e- |
-0.578 |
PbSO4/Pb/SO- |
PbSO4 + 2 e- |
-0.359 |
PbS/Pb/S2- |
PbS + 2 e- |
-0.930 |
Sb2O3/Sb/H+ |
Sb2O3 + 6 H+ + 6 e- |
+0.152 |
SiO2/Si/H+ |
SiO2 + 4 H+ + 4 e- |
-0.857 |
TlCl/Tl/Cl- |
TlCl + e- |
-0.557 |
TlI/Tl/I- |
TlI + e- |
-0.753 |
TlOH/Tl/OH- |
TlOH + e- |
-0.345 |
Zn(OH)2/Zn/OH- |
Zn(OH)2 + 2 e- |
-1.245 |
ZnCO3/Zn/CO32- |
ZnCO3 + 2 e- |
-1.060 |
ZnS/Zn/S2- |
ZnS + 2 e- |
-1.405 |