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Стандартні електродні (напівклітинні) потенціали

Стандартні електродні (напівклітинні) потенціали
Половинна реакція Е° (В)
Ag++eAg +0,7996
AgCl+eAg+Cl +0,22233
[Ag(CN)2]+eAg+2CN −0.31
Ag2CrO4+2e2Ag+CrO24 +0.45
[Ag(NH3)2]++eAg+2NH3 +0.373
[Ag(S2O3)2]3++eAg+2S2O23 +0.017
[AlF6]3+3eAl+6F −2.07
Al3++3eAl −1,662
Am3++3eAm −2.048
Au3++3eAu +1.498
Au++eAu +1.692
Ba2++2eBa −2.912
Be2++2eBe −1,847
Br2(aq)+2e2Br +1.0873
Ca2++2eCa −2.868
Ce3+3eCe −2.483
Ce4++eCe3+ +1.61
Cd2++2eCd −0.4030
[Cd(CN)4]2+2eCd+4CN −1.09
[Cd(NH3)4]2++2eCd+4NH3 −0.61
CdS+2eCd+S2 −1.17
Cl2+2e2Cl +1.35827
ClO4+H2O+2eClO3+2OH +0.36
ClO3+H2O+2eClO2+2OH +0.33
ClO2+H2O+2eClO+2OH +0.66
ClO+H2O+2eCl+2OH +0.89
ClO4+2H3O++2eClO3+3H2O +1.189
ClO3+3H3O++2eHClO2+4H2O +1.21
HClO+H3O++2eCl+2H2O +1.482
HClO+H3O++e12Cl2+2H2O +1.611
HClO2+2H3O++2eHClO+3H2O +1.628
Co3++eCo2+(2mol//H2SO4) +1.83
Co2++2eCo −0.28
[Co(NH3)6]3++e[Co(NH3)6]2+ +0.1
Co(OH)3+eCo(OH)2+OH +0.17
Cr3+3eCr −0.744
Cr3++eCr2+ −0.407
Cr2++2eCr −0.913
[Cu(CN)2]+eCu+2CN −0.43
CrO24+4H2O+3eCr(OH)3+5OH −0,13
Cr2O27+14H3O++6e2Cr3++21H2O +1.232
[Cr(OH)4]+3eCr+4OH −1.2
Cr(OH)3+3eCr+3OH −1.48
Cu2++eCu+ +0.153
Cu2++2eCu +0.34
Cu++eCu +0.521
F2+2e2F +2.866
Fe2++2eFe −0,447
Fe3++eFe2+ +0.771
[Fe(CN)6]3+e[Fe(CN)6]4 +0.36
Fe(OH)2+2eFe+2OH −0.88
FeS+2eFe+S2 −1.01
Ga3++3eGa −0.549
Gd3++3eGd −2.279
12H2+eH −2.23
2H2O+2eH2+2OH −0,8277
H2O2+2H3O++2e4H2O +1.776
2H3O++2eH2+2H2O 0.00
HO2+H2O+2e3OH +0.878
Hf4++4eHf −1.55
Hg2++2eHg +0,851
2Hg2++2eHg2+2 +0.92
Hg2+2+2e2Hg +0.7973
[HgBr4]2+2eHg+4Br +0.21
Hg2Cl2+2e2Hg+2Cl +0,26808
[Hg(CN)4]2+2eHg+4CN −0.37
[HgI4]2+2eHg+4I −0,04
HgS+2eHg+S2 −0,70
I2+2e2I +0.535
In3++3eIn −0,3382
K++eK −2.931
La3++3eLa −2.52
Li++eLi −3.04
Lu3++3eLu −2.28
Mg2++2eMg −2.372
Mn2++2eMn −1.185
MnO2+2H2O+2eMn(OH)2+2OH −0,05
MnO4+2H2O+3eMnO2+4OH +0.558
MnO2+4H++2eMn2++2H2O +1.23
MnO4+8H++5eMn2++4H2O +1.507
Na++eNa −2.71
Nd3++3eNd −2.323
Ni2++2eNi −0,257
[Ni(NH3)6]2++2eNi+6NH3 −0.49
NiO2+4H++2eNi2++2H2O +1.593
NiO2+2H2O+2eNi(OH)2+2OH +0.49
NiS+2eNi+S2 +0.76
NO3+4H++3eNO+2H2O +0,957
NO3+3H++2eHNO2+H2O +0.92
NO3+H2O+2eNO2+2OH +0.10
Np3++3eNp −1.856
O2+2H2O+4e4OH +0,401
\ce{O2 + 2H+ + 2e- ⟶H2O2} +0,695
\ce{O2 + 4H+ + 4e- ⟶2H2O} +1.229
\ce{Pb^2+ + 2e- ⟶Pb} −0,162
\ce{PbO2 + SO4^2- + 4H+ + 2e- ⟶PbSO4 + 2H2O} +1.69
\ce{PbS + 2e- ⟶Pb + S^2-} −0,95
\ce{PbSO4 + 2e- ⟶Pb + SO4^2-} −0,3505
\ce{Pd^2+ + 2e- ⟶Pd} +0,987
\ce{[PdCl4]^2- + 2e- ⟶Pd + 4Cl-} +0.591
\ce{Pt^2+ + 2e- ⟶Pt} +1.20
\ce{[PtBr4]^2- + 2e- ⟶Pt + 4Br-} +0.58
\ce{[PtCl4]^2- + 2e- ⟶Pt + 4Cl-} +0.755
\ce{[PtCl6]^2- + 2e- ⟶[PtCl4]^2- + 2Cl-} +0.68
\ce{Pu^3 + 3e- ⟶Pu} −2.03
\ce{Ra^2+ + 2e- ⟶Ra} −2.92
\ce{Rb+ + e- ⟶Rb} −2.98
\ce{[RhCl6]^3- + 3e- ⟶Rh + 6Cl-} +0.44
\ce{S + 2e- ⟶S^2-} −0,47627
\ce{S + 2H+ + 2e- ⟶H2S} +0.142
\ce{Sc^3+ + 3e- ⟶Sc} −2.09
\ce{Se + 2H+ + 2e- ⟶H2Se} −0.399
\ce{[SiF6]^2- + 4e- ⟶Si + 6F-} −1.2
\ce{SiO3^2- + 3H2O + 4e- ⟶Si + 6OH-} −1,697
\ce{SiO2 + 4H+ + 4e- ⟶Si + 2H2O} −0.86
\ce{Sm^3+ + 3e- ⟶Sm} −2.304
\ce{Sn^4+ + 2e- ⟶Sn^2+} +0.151
\ce{Sn^2+ + 2e- ⟶Sn} −0,1375
\ce{[SnF6]^2- + 4e- ⟶Sn + 6F-} −0,25
\ce{SnS + 2e- ⟶Sn + S^2-} −0,94
\ce{Sr^2+ + 2e- ⟶Sr} −2.89
\ce{TeO2 + 4H+ + 4e- ⟶Te + 2H2O} +0.593
\ce{Th^4+ + 4e- ⟶Th} −1,90
\ce{Ti^2+ + 2e- ⟶Ti} −1.630
\ce{U^3+ + 3e- ⟶U} −1.79
\ce{V^2+ + 2e- ⟶V} −1.19
\ce{Y^3+ + 3e- ⟶Y} −2.37
\ce{Zn^2+ + 2e- ⟶Zn} −0.7618
\ce{[Zn(CN)4]^2- + 2e- ⟶Zn + 4CN-} −1.26
\ce{[Zn(NH3)4]^2+ + 2e- ⟶Zn + 4NH3} −1.04
\ce{Zn(OH)2 + 2e- ⟶Zn + 2OH-} −1,245
\ce{[Zn(OH)4]^2 + 2e- ⟶Zn + 4OH-} −1.199
\ce{ZnS + 2e- ⟶Zn + S^2-} −1.40
\ce{Zr^4 + 4e- ⟶Zr} −1.539