טבלת פוטנציאלי חיזור תקניים

טבלת נתונים של פוטנציאלי החיזור התקניים של צורונים שונים (בוולט) בהשוואה לחצי תא תקני של מימן .

הנתונים עבור ריכוז של 1 מול לליטר, טמפרטורה של 273.15 מעלות קלווין (25°C), ולחץ של 101.325 קילו-פסקל (1 אטמוספירה).

תגובת מחצית התא [1] (E° (V
מחמצן מחזר
&
Zz
Pr3+ +  e− Pr2+ −3.1
N3N2(g) + 2 H+ + 2 e− 2HN3(aq) −3.09
Li+ +  e− Li (s) −3.0401
N2(g) + 4 H2O + 2 e− 2NH2OH(aq) + 2 OH− −3.04
Cs+ +  e− Cs(s) −3.026
Ca(OH)2 + 2 e− Ca + 2 OH− −3.02
Er3+ +  e− Er2+ −3.0
Ba(OH)2 + 2 e− Ba + 2 OH− −2.99
Rb+ +  e− Rb(s) −2.98
K+ +  e− K(s) −2.931
Ba2+ + 2 e− Ba(s) −2.912
La(OH)3(s) + 3 e− La(s) + 3 OH− −2.90
Fr+ +  e− Fr −2.9
Sr2+ + 2 e− Sr(s) −2.899
Sr(OH)2 + 2 e− Sr + 2 OH− −2.88
Ca2+ + 2 e− Ca(s) −2.868
Li+ + C6(s) +  e− LiC6 (s) −2.84
Eu2+ + 2 e− Eu(s) −2.812
Ra2+ + 2 e− Ra(s) −2.8
Ho3+ +  e− Ho2+ −2.8
Bk3+ +  e− Bk2+ −2.8
Yb2+ + 2 e− Yb −2.76
Na+ +  e− Na(s) −2.71
Mg+ +  e− Mg −2.70
Nd3+ +  e− Nd2+ −2.7
Mg(OH)2 + 2 e− Mg + 2 OH− −2.690
Sm2+ + 2 e− Sm −2.68
Be2O32− + 3 H2O + 4 e− 2 Be + 6 OH− −2.63
Pm3+ +  e− Pm2+ −2.6
Dy3+ +  e− Dy2+ −2.6
HfO(OH)2 + H2O + 4 e− Hf + 4 OH− −2.50
Th(OH)4 + 4 e− Th + 4 OH− −2.48
Md2+ + 2 e− Md −2.40
Tm2+ + 2 e− Tm −2.4
La3+ + 3 e− La(s) −2.379
Y3+ + 3 e− Y(s) −2.372
Mg2+ + 2 e− Mg(s) −2.372
ZrO(OH)2(s) +  H2O + 4 e− Zr(s) + 4 OH− −2.36
Pr3+ + 3 e− Pr −2.353
Ce3+ + 3 e− Ce −2.336
Er3+ + 3 e− Er −2.331
Ho3+ + 3 e− Ho −2.33
H2AlO3− + H2O + 3 e− Al + 4 OH− −2.33
Nd3+ + 3 e− Nd −2.323
Tm3+ + 3 e− Tm −2.319
Al(OH)3(s) + 3 e− Al(s) + 3 OH− −2.31
Sm3+ + 3 e− Sm −2.304
Fm2+ + 2 e− Fm −2.30
Am3+ +  e− Am2+ −2.3
Dy3+ + 3 e− Dy −2.295
Lu3+ + 3 e− Lu −2.28
Tb3+ + 3 e− Tb −2.28
Gd3+ + 3 e− Gd −2.279
H2 + 2 e− 2H− −2.23
Es2+ + 2 e− Es −2.23
Pm2+ + 2 e− Pm −2.2
Tm3+ +  e− Tm2+ −2.2
Dy2+ + 2 e− Dy −2.2
Ac3+ + 3 e− Ac −2.20
Yb3+ + 3 e− Yb −2.19
Cf2+ + 2 e− Cf −2.12
Nd2+ + 2 e− Nd −2.1
Ho2+ + 2 e− Ho −2.1
Sc3+ + 3 e− Sc(s) −2.077
AlF63− + 3 e− Al + 6 F− −2.069
Am3+ + 3 e− Am −2.048
Cm3+ + 3 e− Cm −2.04
Pu3+ + 3 e− Pu −2.031
Pr2+ + 2 e− Pr −2.0
Er2+ + 2 e− Er −2.0
Eu3+ + 3 e− Eu −1.991
Lr3+ + 3 e− Lr −1.96
Cf3+ + 3 e− Cf −1.94
Es3+ + 3 e− Es −1.91
Pa4+ +  e− Pa3+ −1.9
Am2+ + 2 e− Am −1.9
Th4+ + 4 e− Th −1.899
Fm3+ + 3 e− Fm −1.89
Np3+ + 3 e− Np −1.856
Be2+ + 2 e− Be −1.847
H2PO2− +  e− P + 2 OH− −1.82
U3+ + 3 e− U −1.798
Sr2+ + 2 e− Sr/Hg −1.793
H2BO3− + H2O + 3 e− B + 4 OH− −1.79
ThO2 + 4H+ + 4 e− Th + 2 H2O −1.789
HfO2+ + 2 H+ + 4 e− Hf + H2O −1.724
HPO32− + 2 H2O + 3 e− P + 5 OH− −1.71
SiO32− + H2O + 4 e− Si + 6 OH− −1.697
Al3+ + 3 e− Al(s) −1.662
Ti2+ + 2 e− Ti(s) −1.63
ZrO2(s) + 4 H+ + 4 e− Zr(s) + 2 H2O −1.553
Zr4+ + 4 e− Zr(s) −1.45
Ti3+ + 3 e− Ti(s) −1.37
TiO(s) + 2 H+ + 2 e− Ti(s) +  H2O −1.31
Ti2O3(s) + 2 H+ + 2 e− 2TiO(s) +  H2O −1.23
Zn(OH)42− + 2 e− Zn(s) + 4 OH− −1.199
Mn2+ + 2 e− Mn(s) −1.185
Fe (CN)64− + 6 H+ + 2  e− Fe(s) + 6HCN(aq) −1.16
Te(s) + 2 e− Te2− −1.143
V2+ + 2 e− V(s) −1.13
Nb3+ + 3 e− Nb(s) −1.099
Sn(s) + 4 H+ + 4 e− SnH4(g) −1.07
SiO2(s) + 4 H+ + 4 e− Si(s) + 2 H2O −0.91
B(OH)3(aq) + 3 H+ + 3 e− B(s) + 3 H2O −0.89
Fe(OH)2(s) + 2 e− Fe(s) + 2 OH− −0.89
Fe2O3(s) + 3 H2O + 2 e− 2Fe(OH)2(s) + 2 OH− −0.86
TiO2+ + 2 H+ + 4 e− Ti(s) +  H2O −0.86
H2H2O + 2 e− H2(g) + 2 OH− −0.8277
Bi(s) + 3 H+ + 3 e− BiH3 −0.8
Zn2+ + 2 e− Zn(Hg) −0.7628
Zn2+ + 2 e− Zn(s) −0.7618
Ta2O5(s) + 10 H+ + 10 e− 2Ta(s) + 5 H2O −0.75
Cr3+ + 3 e− Cr(s) −0.74
Ag2S(s) + 2 e− 2Ag(s) + S2−(aq) −0.69
Au[Au(CN)2]− +  e− Au(s) + 2CN− −0.60
Ta3+ + 3 e− Ta(s) −0.6
PbO(s) +  H2O + 2 e− Pb(s) + 2 OH− −0.58
Ti2TiO2(s) + 2 H+ + 2 e− Ti2O3(s) +  H2O −0.56
Ga3+ + 3 e− Ga(s) −0.53
U4+ +  e− U3+ −0.52
P H3PO2(aq) +  H+ +  e− P(white) + 2 H2O −0.508
P H3PO3(aq) + 2 H+ + 2 e− H3PO2(aq) +  H2O −0.499
P H3PO3(aq) + 3 H+ + 3 e− P(red) + 3 H2O −0.454
Fe2+ + 2 e− Fe(s) −0.44
C2CO2(g) + 2 H+ + 2 e− HOOCCOOH(aq) −0.43
Cr3+ +  e− Cr2+ −0.42
Cd2+ + 2 e− Cd(s) −0.40
GeO2(s) + 2 H+ + 2 e− GeO(s) +  H2O −0.37
Cu2O(s) +  H2O + 2 e− 2Cu(s) + 2 OH− −0.360
PbSO4(s) + 2 e− Pb(s) + SO42− −0.3588
PbSO4(s) + 2 e− Pb(Hg) + SO42− −0.3505
Eu3+ +  e− Eu2+ −0.35
In3+ + 3 e− In(s) −0.34
Tl+ +  e− Tl(s) −0.34
Ge(s) + 4 H+ + 4 e− GeH4(g) −0.29
Co2+ + 2 e− Co(s) −0.28
P H3PO4(aq) + 2 H+ + 2 e− H3PO3(aq) +  H2O −0.276
V3+ +  e− V2+ −0.26
Ni2+ + 2 e− Ni(s) −0.25
As(s) + 3 H+ + 3 e− AsH3(g) −0.23
AgI(s) +  e− Ag(s) + I− −0.15224
MoO2(s) + 4 H+ + 4 e− Mo(s) + 2 H2O −0.15
Si(s) + 4 H+ + 4 e− SiH4(g) −0.14
Sn2+ + 2 e− Sn(s) −0.13
O2(g) +  H+ +  e− HO2•(aq) −0.13
Pb2+ + 2 e− Pb(s) −0.126
WO2(s) + 4 H+ + 4 e− W(s) + 2 H2O −0.12
P(red) + 3 H+ + 3 e− PH3(g) −0.111
Se(s) + 2 H+ + 2 e− H2Se(g) −0.11
SnO(s) + 2 H+ + 2 e− Sn(s) +  H2O −0.10
SnO2(s) + 4 H+ + 4 e− SnO(s) + 2 H2O −0.09
WO3(aq) + 6 H+ + 6 e− W(s) + 3 H2O −0.09
P(white) + 3 H+ + 3 e− PH3(g) −0.063
Fe3+ + 3 e− Fe(s) −0.04
H 2 H+ + 2 e− H2(g) 0.0000
AgBr(s) +  e− Ag(s) + Br− +0.07133
S4O62− + 2 e− 2S2O32− +0.08
Fe3O4(s) + 8 H+ + 8 e− 3Fe(s) + 4 H2O +0.085
N2(g) + 2 H2O + 6 H+ + 6 e− 2NH4OH(aq) +0.092
HgO(s) +  H2O + 2 e− Hg(l) + 2 OH− +0.0977
Cu(NH3)42+ +  e− Cu(NH3)2+ + 2NH3 +0.10
Ru(NH3)63+ +  e− Ru(NH3)62+ +0.10
N2H4(aq) + 4 H2O + 2 e− 2NH4+ + 4 OH− +0.11
Ge4+ + 4 e− Ge(s) +0.12
C(s) + 4 H+ + 4 e− CH4(g) +0.13
S(s) + 2 H+ + 2 e− H2S(g) +0.14
Sn4+ + 2 e− Sn2+ +0.15
Cu2+ +  e− Cu+ +0.159
UO22+ +  e− UO2+ +0.163
TiO2+ + 2 H+ +  e− Ti3+ +  H2O +0.19
SbO+ + 2 H+ + 3 e− Sb(s) +  H2O +0.20
AgCl(s) +  e− Ag(s) + Cl− +0.22233
GeO(s) + 2 H+ + 2 e− Ge(s) +  H2O +0.26
UO2+ + 4 H+ +  e− U4+ + 2 H2O +0.273
Re3+ + 3 e− Re(s) +0.300
Bi3+ + 3 e− Bi(s) +0.308
Cu2+ + 2 e− Cu(s) +0.337
VO2+ + 2 H+ +  e− V3+ +  H2O +0.34
Fc+ +  e− Fc(s) +0.4
O2(g) + 2 H2O + 4 e− 4 OH−(aq) +0.401
Cu+ +  e− Cu(s) +0.520
I3− + 2 e− 3I− +0.53
I2(s) + 2 e− 2I− +0.54
MnO4− + 2 H2O + 3 e− MnO2(s) + 4 OH− 1.692+
S2O32− + 6 H+ + 4 e− 2S(s) + 3 H2O +0.60
O2(g) + 2 H+ + 2 e− H2O2(aq) +0.70
Tl3+ + 3 e− Tl(s) +0.72
PtCl62− + 2 e− PtCl42− + 2Cl− +0.726
PtCl42− + 2 e− Pt(s) + 4Cl− +0.758
Fe3+ +  e− Fe2+ +0.77
Ag+ +  e− Ag(s) +0.7996
Hg22+ + 2 e− 2Hg(l) +0.80
Hg2+ + 2 e− Hg(l) +0.85
MnO4− +  H+ +  e− HMnO4− +0.90
Pd2+ + 2 e− Pd(s) +0.915
[VO2]+(aq) + 2 H+ +  e− [VO]2+(aq) +  H2O +1.0
Br2(l) + 2 e− 2Br− +1.066
Br2(aq) + 2 e− 2Br− +1.0873
Ag2O(s) + 2 H+ + 2 e− 2Ag(s) +  H2O +1.17
ClO3− + 2 H+ +  e− ClO2(g) +  H2O +1.18
Xe[HXeO6]3− + 5 H2O + 8  e− Xe(g) + 11 OH− +1.18
Pt2+ + 2 e− Pt(s) +1.188
ClO2(g) +  H+ +  e− HClO2(aq) +1.19
ClO4− + 2 H+ + 2 e− ClO3− +  H2O +1.20
O2(g) + 4 H+ + 4 e− 2 H2O +1.229
MnO2(s) + 4 H+ + 2 e− Mn2+ + 2 H2O +1.23
Tl3+ + 2 e− Tl+ +1.25
Cr2O72− + 14 H+ + 6 e− 2Cr3+ + 7 H2O +1.33
Cl2(g) + 2 e− 2Cl− +1.36
CoO2(s) + 4 H+ +  e− Co3+ + 2 H2O +1.42
BrO3− + 5 H+ + 4 e− HBrO(aq) + 2 H2O +1.45
MnO4− + 8 H+ + 5 e− Mn2+ + 4 H2O +1.51
Au3+ + 3 e− Au(s) +1.52
NiO2(s) + 4 H+ + 2 e− Ni2+ + 2 OH− +1.59
Ce4+ +  e− Ce3+ +1.61
Ag2O3(s) + 6 H+ + 4 e− 2Ag+ + 3 H2O +1.67
Pb4+ + 2 e− Pb2+ +1.69
MnO4− + 4 H+ + 3 e− MnO2(s) + 2 H2O +1.70
AgO(s) + 2 H+ +  e− Ag+ +  H2O +1.77
Co3+ +  e− Co2+ +1.82
Au+ +  e− Au(s) +1.83
BrO4− + 2 H+ + 2 e− BrO3− +  H2O +1.85
Ag2+ +  e− Ag+ +1.98
S2O82− + 2 e− 2SO42− +2.010
O3(g) + 2 H+ + 2 e− O2(g) +  H2O +2.075
XeO3(aq) + 6 H+ + 6  e− Xe(g) + 3 H2O +2.12
FeO42− + 3 e− + 8 H+ Fe3+ + 4 H2O +2.20
XeF2(aq) + 2 H+ + 2 e− Xe(g) + 2HF(aq) +2.32
F2(g) + 2 e− 2F− +2.87
F2(g) + 2 H+ + 2 e− 2HF(aq) +3.05
KrF2(aq) + 2 e− Kr(g) + 2F−(aq) +3.27

הערות שוליים

  1. ↑ Petr Vanýsek, ELECTROCHEMICAL SERIES
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