POTENCIALES NORMALES DE REDUCCIÓN A 25 ºC
Reacción de electrodo º (V)
K+ + e- = K -2.925
Ba2+ + 2e- = Ba -2.905
Sr2+ + 2e- = Sr -2.888
Ca2+ + 2e- = Ca -2.866
Na+ + e- = Na -2.714
Mg2+ + 2e- = Mg -2.37
H2 + 2e- = 2H--2.25
Al3+ + 3e- = Al -1.66
Zn(CN)42- + 2 e- = Zn + 4CN--1.26
ZnO22- + 2H2O + 2e- = Zn + 4OH--1.216
Mn2+ + 2e- = Mn -1.18
Zn(NH3)42+ + 2e- = Zn + 4NH3-1.03
Sn(OH)62- + 2e- = HSnO2- + H2O + 3OH--0.90
Fe(OH)2 + 2e- = Fe + 2OH--0.877
2H2O + 2e- = H2 + 2OH--0.828
Fe(OH)3 + 3e- = Fe + 3OH- -0.77
Zn2+ + 2e- = Zn -0.763
Ag2S + 2e- = 2Ag + S2- -0.69
Fe2+ + 2e- = Fe -0.44
Bi2O3 + 3H2O + 6e- = 2Bi + 6OH--0.44
Cr3+ + e- = Cr2+ -0.41
Cd2+ + 2e- = Cd -0.403
PbSO4 +2e- = Pb + SO42- -0.356
Ag(CN)2- + e- = Ag +2CN--0.31
Co2+ + 2e- = Co -0.277
Ni2+ + 2e- = Ni -0.25
AgI + e- = Ag + I--0.151
Sn2+ + 2e- = Sn -0.136
Pb2+ + 2e- = Pb -0.126
Cu(NH3)42+ + 2e- = Cu + 4NH3-0.12
Fe3+ + 3e- = Fe -0.036
2H+ + 2e- = H20.000
AgBr + e- = Ag + Br-0.095
HgO(r) + H2O +2e- = Hg + 2OH-0.098
Sn4+ + 2e- = Sn2+ 0.15
Cu2+ + e- = Cu+0.153
AgCl + e- = Ag + Cl-0.222
Hg2Cl2 + 2e- = 2Hg + 2Cl-0.2676
Cu2+ + 2e- = Cu 0.337
Fe(CN)63- + e- = Fe(CN)64- 0.36
Ag(NH3)2+ + e- = Ag + 2NH30.373
O2(g) + 2H2O + 4e- = 4OH-0.401
H2SO4 + 2e- = 2Hg + SO42- 0.6151
Fe3+ + e- = Fe2+ 0.771
Ag+ + e- = Ag 0.799
Hg2+ + 2e- = Hg 0.854
O2 + 4H+ + 4e- = 2H2O 1.229
Cr2O72- + 14H+ + 6e- = 2Cr3+ + 7H2O 1.33
Cl2(g) + 2e- = 2Cl-1.36
MnO4- + 8H+ + 5e- = Mn2+ + 4H2O 1.51
Ce4+ + e- = Ce3+ 1.61
PbO2 + SO42- + 4H+ + 2e- = PbSO4 + 2H2O 1.685
O3 + 2H+ + 2e- = O2 + H2O 2.07
F2(g) + 2e- = 2F-2.87
