最全的标准电极电势无表格版.docx
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最全的标准电极电势无表格版.docx
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最全的标准电极电势无表格版
--
标准
--标准电极电势表--
1
在酸性溶液中
(298K)
电对
方程式
E/V
Li(I)-(0)
Li++e-=Li
-3.0401
Cs(I)-(0)
Cs++e-=Cs
-3.026
Rb(I)
-(0)
Rb++e-=Rb
-2.98
K(I)-(0)
K++e-=K
-2.931
Ba(II)
-(0)
Ba2++2e-=Ba
-2.912
Sr(II)
-(0)
Sr2++2e-=Sr
-2.89
Ca(II)
-(0)
Ca2++2e-=Ca
-2.868
Na(I)
-(0)
Na++e-=Na
-2.71
La(III)
-(0)
La3++3e-=La
-2.379
Mg(II)
-(0)
Mg2++2e-=Mg
-2.372
Ce(III)-(0)
Ce3++3e-=Ce
-2.336
H(0)-(-I)
H2(g)+2e-=2H-
-2.23
Al(III)
-(0)
AlF63-+3e-=Al+6F-
-2.069
Th(IV)-(0)
Th4++4e-=Th
-1.899
Be(II)
-(0)
Be2++2e-=Be
-1.847
U(III)
-(0)
U3++3e-=U
-1.798
Hf(IV)
-(0)
HfO2++2H++4e-=Hf+H2O
-1.724
Al(III)
-(0)
Al3++3e-=Al
-1.662
Ti(II)-(0)Ti2++2e-=Ti-1.630
Zr(IV)-(0)
Si(IV)-(0)
Mn(II)-(0)
Cr(II)-(0)
Ti(III)-(II)
B(III)-(0)
*Ti(IV)-(0)Te(0)-(-II)Zn(II)-(0)Ta(V)-(0)Cr(III)-(0)
Nb(V)-(0)
As(0)-(-III)
U(IV)-(III)
Ga(III)-(0)
P(I)-(0)
P(III)-(I)
*C(IV)-(III)Fe(II)-(0)
Cr(III)-(II)
Cd(II)-(0)
Se(0)-(-II)
ZrO2+4H++4e-=Zr+2H2O
-1.553
[SiF6]2-+4e-=Si+6F-
-1.24
Mn2++2e-=Mn
-1.185
Cr2++2e-=Cr
-0.913
Ti3++e-=Ti2+
-0.9
H3BO3+3H++3e-=B+3H2O
-0.8698
TiO2+4H++4e-=Ti+2H2O
-0.86
Te+2H++2e-=H2
Te
-0.793
Zn2++2e-=Zn
-0.7618
Ta2O5+10H++10e
-=2Ta+5H
2
O
-0.750
Cr3++3e-=Cr
-0.744
Nb2O5+l0H++10e-=2Nb+5H
2O
-0.644
As+3H++3e-=AsH3
-0.608
U4++e-=U3+
-0.607
Ga3++3e-=Ga
-0.549
H3PO2+H++e-=P+2H2O
-0.508
H3PO3+2H++2e-=H3PO2+H
2O
-0.499
2CO2+2H++2e-=H2C2O4
-0.49
Fe2++2e-=Fe
-0.447
Cr3++e-=Cr2+
-0.407
Cd2++2e-=Cd
-0.4030
Se+2H++2e-=H2
Se(aq)
-0.399
Pb(II)-(0)
Eu(III)-(II)
Pb(II)-(0)
In(III)-(0)
Tl(I)-(0)
Co(II)-(0)
P(V)-(III)
Pb(II)
-(0)
Ni(II)
-(0)
V(III)
-(II)
Ge(IV)-(0)
Ag(I)-(0)
Sn(II)-(0)
Pb(II)-(0)
*C(IV)-(II)P(0)-(-III)
Hg(I)-(0)
Fe(III)-(0)
H(I)-(0)
Ag(I)-(0)
S(II.V)-(II)
PbI2+2e-=Pb+2I-
-0.365
Eu3++e-=Eu2+
-0.36
PbSO
4+2e-=Pb+SO42-
-0.3588
In3++3e-=In
-0.3382
Tl++e-=Tl
-0.336
Co2++2e-=Co
-0.28
H3PO
4+2H++2e-=H3PO3+H2O
-0.276
PbCl2
+2e-=Pb+2Cl-
-0.2675
Ni2++2e-=Ni
-0.257
V3++e-=V2+
-0.255
H2GeO3+4H++4e-=Ge+3H2O
-0.182
AgI+e-=Ag+I-
-0.15224
Sn2++2e-=Sn
-0.1375
Pb2++2e-=Pb
-0.1262
CO2(g)+2H++2e-=CO+H2O
-0.12
P(white)+3H++3e-=PH3(g)
-0.063
Hg2I2
+2e-=2Hg+2I-
-0.0405
Fe3++3e-=Fe
-0.037
2H++2e-=H2
0.0000
AgBr+e-=Ag+Br-
0.07133
S4O62-+2e-=2S2O32-
0.08
*Ti(IV)-(III)TiO2++2H++e-=Ti3++H2O0.1
S(0)-(-II)
S+2H
++2e-=H2S(aq)
0.142
Sn(IV)
-(II)
Sn4++2e-=Sn2+
0.151
Sb(III)
-(0)
Sb2O3
+6H
++6e-=2Sb+3H2O
0.152
Cu(II)-(I)
Cu2++e-=Cu+
0.153
Bi(III)-(0)
BiOCl+2H
++3e-=Bi+Cl-+H2O
0.1583
S(VI)-(IV)
SO42-+4H
++2e-=H2SO3+H2O
0.172
Sb(III)
-(0)
SbO++2H
++3e-=Sb+H2O
0.212
Ag(I)-(0)
AgCl+e-=Ag+Cl-
0.22233
As(III)
-(0)
HAsO
2+3H++3e-=As+2H2O
0.248
Hg(I)-(0)
Hg2Cl
2+2e-=2Hg+2Cl-(饱和KCl)
0.26808
Bi(III)-(0)
BiO++2H++3e-=Bi+H2O
0.320
U(VI)-(IV)
UO22++4H++2e-=U4++2H2O
0.327
C(IV)-(III)
2HCNO+2H++2e-=(CN)2+2H2O
0.330
V(IV)-(III)
VO2++2H++e-=V3++H2O
0.337
Cu(II)-(0)
Cu2++2e-=Cu
0.3419
Re(VII)
-(0)
ReO4-+8H++7e-=Re+4H2O
0.368
Ag(I)-(0)
Ag2CrO4+2e-=2Ag+CrO42-
0.4470
S(IV)-(0)
H2SO3+4H++4e-=S+3H2O
0.449
Cu(I)-(0)
Cu++e-=Cu
0.521
I(0)
-(-I)
I2+2e-=2I-
0.5355
I(0)
-(-I)
I3-+2e-=3I-
0.536
As(V)-(III)H3AsO4+2H++2e-=HAsO2+2H2O0.560
Sb(V)-(III)
Sb2O5+6H++4e-=2SbO++3H2O
0.581
Te(IV)
-(0)
TeO2+4H++4e-=Te+2H2O
0.593
U(V)-(IV)
UO2++4H++e-=U4++2H2O
0.612
**Hg(II)
-(I)
2HgCl
2+2e-=Hg2Cl2+2Cl-
0.63
Pt(IV)
-(II)
[PtCl6
]2-+2e-=[PtCl4]2-+2Cl-
0.68
O(0)-(-I)
O2+2H++2e-=H2O2
0.695
Pt(II)
-(0)
[PtCl4
]2-+2e-=Pt+4Cl-
0.755
*Se(IV)
-(0)
H2SeO3+4H++4e-=Se+3H2O
0.74
Fe(III)
-(II)
Fe3++e-=Fe2+
0.771
Hg(I)
-(0)
Hg22++2e-=2Hg
0.7973
Ag(I)
-(0)
Ag++e-=Ag
0.7996
Os(VIII)-(0)
OsO4+8H++8e-=Os+4H2O
0.8
N(V)-(IV)
2NO3-+4H++2e-=N2O4+2H2O
0.803
Hg(II)
-(0)
Hg2++2e-=Hg
0.851
Si(IV)
-(0)
(quartz)SiO2+4H++4e-=Si+2H
2O
0.857
Cu(II)
-(I)
Cu2++I-+e-=CuI
0.86
N(III)
-(I)
2HNO
2+4H++4e-=H2N2O2+2H
2O
0.86
Hg(II)
-(I)
2Hg2++2e-=Hg22+
0.920
N(V)-(III)
NO3-+3H++2e-=HNO2+H2O
0.934
Pd(II)
-(0)
Pd2++2e-=Pd
0.951
N(V)-(II)
NO3-+4H++3e-=NO+2H2O
0.957
N(III)
-(II)
HNO2+H++e-=NO+H2O
0.983
I(I)-(-I)
HIO+H++2e-=I-+H2O
0.987
V(V)-(IV)
VO2++2H++e-=VO2++H2O
0.991
V(V)-(IV)
V(OH)
4++2H++e-=VO2++3H
2O
1.00
Au(III)
-(0)
[AuCl
4]-+3e-=Au+4Cl-
1.002
Te(VI)
-(IV)
H6TeO6+2H++2e-=TeO
2
+4H
2
O
1.02
N(IV)
-(II)
N2O4+4H++4e-=2NO+2H2O
1.035
N(IV)
-(III)
N2O4+2H++2e-=2HNO
2
1.065
I(V)-(-I)
IO3-+6H++6e-=I-+3H
2
O
1.085
Br(0)-(-I)
Br2(aq)+2e-=2Br-
1.0873
Se(VI)-(IV)
SeO42-+4H++2e-=H2SeO3+H
2O
1.151
Cl(V)-(IV)
ClO3-+2H++e-=ClO2+H2O
1.152
Pt(II)-(0)
Pt2++2e-=Pt
1.18
Cl(VII)
-(V)
ClO4-+2H++2e-=ClO3-+H2O
1.189
I(V)-(0)
2IO3-+12H++10e-=I2+6H2O
1.195
Cl(V)-(III)
ClO3-+3H++2e-=HClO
2+H2O
1.214
Mn(IV)
-(II)
MnO2+4H++2e-=Mn
2++2H2O
1.224
O(0)-(-II)
O2+4H++4e-=2H2O
1.229
Tl(III)
-(I)
T13++2e-=Tl+
1.252
Cl(IV)
-(III)
ClO2+H++e-=HClO2
1.277
N(III)
-(I)
2HNO
2+4H++4e-=N
2O+3H2
O
1.297
**Cr(VI)-(III)
Cr2O72-+14H++6e-=2Cr
3++7H2O
1.33
Br(I)-(-I)
HBrO
+H++2e-=Br-+H2
O
1.331
Cr(VI)
-(III)
HCrO4-+7H++3e-=Cr3++4H2O
1.350
Cl(0)-(-I)
Cl2(g)+2e-=2Cl-
1.35827
Cl(VII)-(-I)
ClO4-+8H
++8e-=Cl-+4H2O
1.389
Cl(VII)
-(0)
ClO4-+8H
++7e-=1/2Cl
2+4H2O
1.39
Au(III)
-(I)
Au3++2e-=Au+
1.401
Br(V)
-(-I)
BrO3-+6H++6e-=Br-+3H2O
1.423
I(I)-(0)
2HIO+2H++2e-=I2+2H2O
1.439
Cl(V)-(-I)
ClO3-+6H
++6e-=Cl-+3H2O
1.451
Pb(IV)
-(II)
PbO2+4H++2e-=Pb2++2H2O
1.455
Cl(V)-(0)
ClO3-+6H
++5e-=1/2Cl
2+3H
2
O
1.47
Cl(I)-(-I)
HClO+H++2e-=Cl-+H2O
1.482
Br(V)
-(0)
BrO3-+6H
++5e-=l/2Br
2+3H
2
O
1.482
Au(III)
-(0)
Au3++3e-=Au
1.498
Mn(VII)-(II)
MnO4-+8H++5e-=Mn
2++4H2O
1.507
Mn(III)
-(II)
Mn3++e-=Mn2+
1.5415
Cl(III)
-(-I)
HClO2+3H
++4e-=Cl-+2H2O
1.570
Br(I)-(0)
HBrO+H++e-=l/2Br2(aq)+H
2O
1.574
N(II)
-(I)
2NO+2H++2e-=N2O+H2O
1.591
I(VII)
-(V)
H5IO6+H++2e-=IO3-+3H2O
1.601
Cl(I)-(0)
HClO+H++e-=1/2Cl2+H2O
1.611
Cl(III)
-(I)
HClO2+2H
++2e-=HClO+H2O
1.645
Ni(IV)
-(II)
NiO2+4H++2e-=Ni2++2H2O
1.678
Mn(VII)
-(IV)
MnO4-+4H++3e-=MnO2+2H2O
1.679
Pb(IV)
-(II)
PbO2+SO42-+4H++2e-=PbSO4+2H2O1.6913
Au(I)
-(0)
Au++e-=Au
1.692
Ce(IV)
-(III)
Ce4++e-=Ce3+
1.72
N(I)-(0)
N2
O+2H++2e-=N2+H
2O
1.766
O(-I)-(-II)
H2O2+2H
++2e-=2H2O
1.776
Co(III)
-(II)
Co
3+
+e
-
=Co
2+
(2mol
-1
1.83
·LH2SO4)
Ag(II)
-(I)
Ag2++e-=Ag+
1.980
S(VII)
-(VI)
S2O82-+2e-=2SO42-
2.010
O(0)-(-II)
O3
+2H
++2e-=O2+H
2O
2.076
O(II)-(-II)
F2O+2H++4e-=H2O+2F-
2.153
Fe(VI)-(III)
FeO42-+8H++3e-=Fe3++4H
2O
2.20
O(0)-(-II)
O(g)+2H
++2e-=H2O
2.421
F(0)-(-I)
F2+2e-=2F-
2.866
F+2H
+
+2e
-
=2HF
3.053
2
2在碱性溶液中
(298K)
电对
方程式
E/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-+2H
2O+3e-=P+5OH-
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