2 在碱性溶液中 (298K) |
电对 |
方程式 |
Eq/V |
Ca(II)-(0) |
Ca(OH)2+2e-=Ca+2OH- |
-3.02 |
Ba(II)-(0) |
Ba(OH)2+2e-=Ba+2OH- |
-2.99 |
La(III)-(0) |
La(OH)3+3e-=La+3OH- |
-2.90 |
Sr(II)-(0) |
Sr(OH)2·8H2O+2e-=Sr+2OH-+8H2O |
-2.88 |
Mg(II)-(0) |
Mg(OH)2+2e-=Mg+2OH- |
-2.690 |
Be(II)-(0) |
Be2O32-+3H2O+4e-=2Be+6OH- |
-2.63 |
Hf(IV)-(0) |
HfO(OH)2+H2O+4e-=Hf+4OH- |
-2.50 |
Zr(IV)-(0) |
H2ZrO3+H2O+4e-=Zr+4OH- |
-2.36 |
Al(III)-(0) |
H2AlO3-+H2O+3e-=Al+OH- |
-2.33 |
P(I)-(0) |
H2PO2-+e-=P+2OH- |
-1.82 |
B(III)-(0) |
H2BO3-+H2O+3e-=B+4OH- |
-1.79 |
P(III)-(0) |
HPO32-+2H2O+3e-=P+5OH- |
-1.71 |
Si(IV)-(0) |
SiO32-+3H2O+4e-=Si+6OH- |
-1.697 |
P(III)-(I) |
HPO32-+2H2O+2e-=H2PO2-+3OH- |
-1.65 |
Mn(II)-(0) |
Mn(OH)2+2e-=Mn+2OH- |
-1.56 |
Cr(III)-(0) |
Cr(OH)3+3e-=Cr+3OH- |
-1.48 |
*Zn(II)-(0) |
[Zn(CN)4]2-+2e-=Zn+4CN- |
-1.26 |
Zn(II)-(0) |
Zn(OH)2+2e-=Zn+2OH- |
-1.249 |
Ga(III)-(0) |
H2GaO3-+H2O+2e-=Ga+4OH- |
-1.219 |
Zn(II)-(0) |
ZnO22-+2H2O+2e-=Zn+4OH- |
-1.215 |
Cr(III)-(0) |
CrO2-+2H2O+3e-=Cr+4OH- |
-1.2 |
Te(0)-(-I) |
Te+2e-=Te2- |
-1.143 |
P(V)-(III) |
PO43-+2H2O+2e-=HPO32-+3OH- |
-1.05 |
*Zn(II)-(0) |
[Zn(NH3)4]2++2e-=Zn+4NH3 |
-1.04 |
*W(VI)-(0) |
WO42-+4H2O+6e-=W+8OH- |
-1.01 |
*Ge(IV)-(0) |
HGeO3-+2H2O+4e-=Ge+5OH- |
-1.0 |
Sn(IV)-(II) |
[Sn(OH)6]2-+2e-=HSnO2-+H2O+3OH- |
-0.93 |
S(VI)-(IV) |
SO42-+H2O+2e-=SO32-+2OH- |
-0.93 |
Se(0)-(-II) |
Se+2e-=Se2- |
-0.924 |
Sn(II)-(0) |
HSnO2-+H2O+2e-=Sn+3OH- |
-0.909 |
P(0)-(-III) |
P+3H2O+3e-=PH3(g)+3OH- |
-0.87 |
N(V)-(IV) |
2NO3-+2H2O+2e-=N2O4+4OH- |
-0.85 |
H(I)-(0) |
2H2O+2e-=H2+2OH- |
-0.8277 |
Cd(II)-(0) |
Cd(OH)2+2e-=Cd(Hg)+2OH- |
-0.809 |
Co(II)-(0) |
Co(OH)2+2e-=Co+2OH- |
-0.73 |
Ni(II)-(0) |
Ni(OH)2+2e-=Ni+2OH- |
-0.72 |
As(V)-(III) |
AsO43-+2H2O+2e-=AsO2-+4OH- |
-0.71 |
Ag(I)-(0) |
Ag2S+2e-=2Ag+S2- |
-0.691 |
As(III)-(0) |
AsO2-+2H2O+3e-=As+4OH- |
-0.68 |
Sb(III)-(0) |
SbO2-+2H2O+3e-=Sb+4OH- |
-0.66 |
*Re(VII)-(IV) |
ReO4-+2H2O+3e-=ReO2+4OH- |
-0.59 |
*Sb(V)-(III) |
SbO3-+H2O+2e-=SbO2-+2OH- |
-0.59 |
Re(VII)-(0) |
ReO4-+4H2O+7e-=Re+8OH- |
-0.584 |
*S(IV)-(II) |
2SO32-+3H2O+4e-=S2O32-+6OH- |
-0.58 |
Te(IV)-(0) |
TeO32-+3H2O+4e-=Te+6OH- |
-0.57 |
Fe(III)-(II) |
Fe(OH)3+e-=Fe(OH)2+OH- |
-0.56 |
S(0)-(-II) |
S+2e-=S2- |
-0.47627 |
Bi(III)-(0) |
Bi2O3+3H2O+6e-=2Bi+6OH- |
-0.46 |
N(III)-(II) |
NO2-+H2O+e-=NO+2OH- |
-0.46 |
*Co(II)-C(0) |
[Co(NH3)6]2++2e-=Co+6NH3 |
-0.422 |
Se(IV)-(0) |
SeO32-+3H2O+4e-=Se+6OH- |
-0.366 |
Cu(I)-(0) |
Cu2O+H2O+2e-=2Cu+2OH- |
-0.360 |
Tl(I)-(0) |
Tl(OH)+e-=Tl+OH- |
-0.34 |
*Ag(I)-(0) |
[Ag(CN)2]-+e-=Ag+2CN- |
-0.31 |
Cu(II)-(0) |
Cu(OH)2+2e-=Cu+2OH- |
-0.222 |
Cr(VI)-(III) |
CrO42-+4H2O+3e-=Cr(OH)3+5OH- |
-0.13 |
*Cu(I)-(0) |
[Cu(NH3)2]++e-=Cu+2NH3 |
-0.12 |
O(0)-(-I) |
O2+H2O+2e-=HO2-+OH- |
-0.076 |
Ag(I)-(0) |
AgCN+e-=Ag+CN- |
-0.017 |
N(V)-(III) |
NO3-+H2O+2e-=NO2-+2OH- |
0.01 |
Se(VI)-(IV) |
SeO42-+H2O+2e-=SeO32-+2OH- |
0.05 |
Pd(II)-(0) |
Pd(OH)2+2e-=Pd+2OH- |
0.07 |
S(II,V)-(II) |
S4O62-+2e-=2S2O32- |
0.08 |
Hg(II)-(0) |
HgO+H2O+2e-=Hg+2OH- |
0.0977 |
Co(III)-(II) |
[Co(NH3)6]3++e-=[Co(NH3)6]2+ |
0.108 |
Pt(II)-(0) |
Pt(OH)2+2e-=Pt+2OH- |
0.14 |
Co(III)-(II) |
Co(OH)3+e-=Co(OH)2+OH- |
0.17 |
Pb(IV)-(II) |
PbO2+H2O+2e-=PbO+2OH- |
0.247 |
I(V)-(-I) |
IO3-+3H2O+6e-=I-+6OH- |
0.26 |
Cl(V)-(III) |
ClO3-+H2O+2e-=ClO2-+2OH- |
0.33 |
Ag(I)-(0) |
Ag2O+H2O+2e-=2Ag+2OH- |
0.342 |
Fe(III)-(II) |
[Fe(CN)6]3-+e-=[Fe(CN)6]4- |
0.358 |
Cl(VII)-(V) |
ClO4-+H2O+2e-=ClO3-+2OH- |
0.36 |
*Ag(I)-(0) |
[Ag(NH3)2]++e-=Ag+2NH3 |
0.373 |
O(0)-(-II) |
O2+2H2O+4e-=4OH- |
0.401 |
I(I)-(-I) |
IO-+H2O+2e-=I-+2OH- |
0.485 |
*Ni(IV)-(II) |
NiO2+2H2O+2e-=Ni(OH)2+2OH- |
0.490 |
Mn(VII)-(VI) |
MnO4-+e-=MnO42- |
0.558 |
Mn(VII)-(IV) |
MnO4-+2H2O+3e-=MnO2+4OH- |
0.595 |
Mn(VI)-(IV) |
MnO42-+2H2O+2e-=MnO2+4OH- |
0.60 |
Ag(II)-(I) |
2AgO+H2O+2e-=Ag2O+2OH- |
0.607 |
Br(V)-(-I) |
BrO3-+3H2O+6e-=Br-+6OH- |
0.61 |
Cl(V)-(-I) |
ClO3-+3H2O+6e-=Cl-+6OH- |
0.62 |
Cl(III)-(I) |
ClO2-+H2O+2e-=ClO-+2OH- |
0.66 |
I(VII)-(V) |
H3IO62-+2e-=IO3-+3OH- |
0.7 |
Cl(III)-(-I) |
ClO2-+2H2O+4e-=Cl-+4OH- |
0.76 |
Br(I)-(-I) |
BrO-+H2O+2e-=Br-+2OH- |
0.761 |
Cl(I)-(-I) |
ClO-+H2O+2e-=Cl-+2OH- |
0.841 |
*Cl(IV)-(III) |
ClO2(g)+e-=ClO2- |
0.95 |
O(0)-(-II) |
O3+H2O+2e-=O2+2OH- |
1.24 |