标准电极电势表.docx
《标准电极电势表.docx》由会员分享,可在线阅读,更多相关《标准电极电势表.docx(16页珍藏版)》请在冰豆网上搜索。
标准电极电势表
1在酸性溶液中(298K)
电对方程式Eq/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)ZrO2+4H++4e-=Zr+2H2O-1.553
Si(IV)-(0)[SiF6]2-+4e-=Si+6F--1.24
Mn(II)-(0)Mn2++2e-=Mn-1.185
Cr(II)-(0)Cr2++2e-=Cr-0.913
Ti(III)-(II)Ti3++e-=Ti2+-0.9
B(III)-(0)H3BO3+3H++3e-=B+3H2O-0.8698
*Ti(IV)-(0)TiO2+4H++4e-=Ti+2H2O-0.86
Te(0)-(-II)Te+2H++2e-=H2Te-0.793
Zn(II)-(0)Zn2++2e-=Zn-0.7618
Ta(V)-(0)Ta2O5+10H++10e-=2Ta+5H2O-0.750
Cr(III)-(0)Cr3++3e-=Cr-0.744
Nb(V)-(0)Nb2O5+l0H++10e-=2Nb+5H2O-0.644
As(0)-(-III)As+3H++3e-=AsH3-0.608
U(IV)-(III)U4++e-=U3+-0.607
Ga(III)-(0)Ga3++3e-=Ga-0.549
P(I)-(0)H3PO2+H++e-=P+2H2O-0.508
P(III)-(I)H3PO3+2H++2e-=H3PO2+H2O-0.499
*C(IV)-(III)2CO2+2H++2e-=H2C2O4-0.49
Fe(II)-(0)Fe2++2e-=Fe-0.447
Cr(III)-(II)Cr3++e-=Cr2+-0.407
Cd(II)-(0)Cd2++2e-=Cd-0.4030
Se(0)-(-II)Se+2H++2e-=H2Se(aq)-0.399
Pb(II)-(0)PbI2+2e-=Pb+2I--0.365
Eu(III)-(II)Eu3++e-=Eu2+-0.36
Pb(II)-(0)PbSO4+2e-=Pb+SO42--0.3588
In(III)-(0)In3++3e-=In-0.3382
Tl(I)-(0)Tl++e-=Tl-0.336
Co(II)-(0)Co2++2e-=Co-0.28
P(V)-(III)H3PO4+2H++2e-=H3PO3+H2O-0.276
Pb(II)-(0)PbCl2+2e-=Pb+2Cl--0.2675
Ni(II)-(0)Ni2++2e-=Ni-0.257
V(III)-(II)V3++e-=V2+-0.255
Ge(IV)-(0)H2GeO3+4H++4e-=Ge+3H2O-0.182
Ag(I)-(0)AgI+e-=Ag+I--0.15224
Sn(II)-(0)Sn2++2e-=Sn-0.1375
Pb(II)-(0)Pb2++2e-=Pb-0.1262
*C(IV)-(II)CO2(g)+2H++2e-=CO+H2O-0.12
P(0)-(-III)P(white)+3H++3e-=PH3(g)-0.063
Hg(I)-(0)Hg2I2+2e-=2Hg+2I--0.0405
Fe(III)-(0)Fe3++3e-=Fe-0.037
H(I)-(0)2H++2e-=H20.0000
Ag(I)-(0)AgBr+e-=Ag+Br-0.07133
S(II.V)-(II)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+3H2O0.152
Cu(II)-(I)Cu2++e-=Cu+0.153
Bi(III)-(0)BiOCl+2H++3e-=Bi+Cl-+H2O0.1583
S(VI)-(IV)SO42-+4H++2e-=H2SO3+H2O0.172
Sb(III)-(0)SbO++2H++3e-=Sb+H2O0.212
Ag(I)-(0)AgCl+e-=Ag+Cl-0.22233
As(III)-(0)HAsO2+3H++3e-=As+2H2O0.248
Hg(I)-(0)Hg2Cl2+2e-=2Hg+2Cl-(饱和KCl)0.26808
Bi(III)-(0)BiO++2H++3e-=Bi+H2O0.320
U(VI)-(IV)UO22++4H++2e-=U4++2H2O0.327
C(IV)-(III)2HCNO+2H++2e-=(CN)2+2H2O0.330
V(IV)-(III)VO2++2H++e-=V3++H2O0.337
Cu(II)-(0)Cu2++2e-=Cu0.3419
Re(VII)-(0)ReO4-+8H++7e-=Re+4H2O0.368
Ag(I)-(0)Ag2CrO4+2e-=2Ag+CrO42-0.4470
S(IV)-(0)H2SO3+4H++4e-=S+3H2O0.449
Cu(I)-(0)Cu++e-=Cu0.521
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++3H2O0.581
Te(IV)-(0)TeO2+4H++4e-=Te+2H2O0.593
U(V)-(IV)UO2++4H++e-=U4++2H2O0.612
**Hg(II)-(I)2HgCl2+2e-=Hg2Cl2+2Cl-0.63
Pt(IV)-(II)[PtCl6]2-+2e-=[PtCl4]2-+2Cl-0.68
O(0)-(-I)O2+2H++2e-=H2O20.695
Pt(II)-(0)[PtCl4]2-+2e-=Pt+4Cl-0.755
*Se(IV)-(0)H2SeO3+4H++4e-=Se+3H2O0.74
Fe(III)-(II)Fe3++e-=Fe2+0.771
Hg(I)-(0)Hg22++2e-=2Hg0.7973
Ag(I)-(0)Ag++e-=Ag0.7996
Os(VIII)-(0)OsO4+8H++8e-=Os+4H2O0.8
N(V)-(IV)2NO3-+4H++2e-=N2O4+2H2O0.803
Hg(II)-(0)Hg2++2e-=Hg0.851
Si(IV)-(0)(quartz)SiO2+4H++4e-=Si+2H2O0.857
Cu(II)-(I)Cu2++I-+e-=CuI0.86
N(III)-(I)2HNO2+4H++4e-=H2N2O2+2H2O0.86
Hg(II)-(I)2Hg2++2e-=Hg22+0.920
N(V)-(III)NO3-+3H++2e-=HNO2+H2O0.934
Pd(II)-(0)Pd2++2e-=Pd0.951
N(V)-(II)NO3-+4H++3e-=NO+2H2O0.957
N(III)-(II)HNO2+H++e-=NO+H2O0.983
I(I)-(-I)HIO+H++2e-=I-+H2O0.987
V(V)-(IV)VO2++2H++e-=VO2++H2O0.991
V(V)-(IV)V(OH)4++2H++e-=VO2++3H2O1.00
Au(III)-(0)[AuCl4]-+3e-=Au+4Cl-1.002
Te(VI)-(IV)H6TeO6+2H++2e-=TeO2+4H2O1.02
N(IV)-(II)N2O4+4H++4e-=2NO+2H2O1.035
N(IV)-(III)N2O4+2H++2e-=2HNO21.065
I(V)-(-I)IO3-+6H++6e-=I-+3H2O1.085
Br(0)-(-I)Br2(aq)+2e-=2Br-1.0873
Se(VI)-(IV)SeO42-+4H++2e-=H2SeO3+H2O1.151
Cl(V)-(IV)ClO3-+2H++e-=ClO2+H2O1.152
Pt(II)-(0)Pt2++2e-=Pt1.18
Cl(VII)-(V)ClO4-+2H++2e-=ClO3-+H2O1.189
I(V)-(0)2IO3-+12H++10e-=I2+6H2O1.195
Cl(V)-(III)ClO3-+3H++2e-=HClO2+H2O1.214
Mn(IV)-(II)MnO2+4H++2e-=Mn2++2H2O1.224
O(0)-(-II)O2+4H++4e-=2H2O1.229
Tl(III)-(I)T13++2e-=Tl+1.252
Cl(IV)-(III)ClO2+H++e-=HClO21.277
N(III)-(I)2HNO2+4H++4e-=N2O+3H2O1.297
**Cr(VI)-(III)Cr2O72-+14H++6e-=2Cr3++7H2O1.33
Br(I)-(-I)HBrO+H++2e-=Br-+H2O1.331
Cr(VI)-(III)HCrO4-+7H++3e-=Cr3++4H2O1.350
Cl(0)-(-I)Cl2(g)+2e-=2Cl-1.35827
Cl(VII)-(-I)ClO4-+8H++8e-=Cl-+4H2O1.389
Cl(VII)-(0)ClO4-+8H++7e-=1/2Cl2+4H2O1.39
Au(III)-(I)Au3++2e-=Au+1.401
Br(V)-(-I)BrO3-+6H++6e-=Br-+3H2O1.423
I(I)-(0)2HIO+2H++2e-=I2+2H2O1.439
Cl(V)-(-I)ClO3-+6H++6e-=Cl-+3H2O1.451
Pb(IV)-(II)PbO2+4H++2e-=Pb2++2H2O1.455
Cl(V)-(0)ClO3-+6H++5e-=1/2Cl2+3H2O1.47
Cl(I)-(-I)HClO+H++2e-=Cl-+H2O1.482
Br(V)-(0)BrO3-+6H++5e-=l/2Br2+3H2O1.482
Au(III)-(0)Au3++3e-=Au1.498
Mn(VII)-(II)MnO4-+8H++5e-=Mn2++4H2O1.507
Mn(III)-(II)Mn3++e-=Mn2+1.5415
Cl(III)-(-I)HClO2+3H++4e-=Cl-+2H2O1.570
Br(I)-(0)HBrO+H++e-=l/2Br2(aq)+H2O1.574
N(II)-(I)2NO+2H++2e-=N2O+H2O1.591
I(VII)-(V)H5IO6+H++2e-=IO3-+3H2O1.601
Cl(I)-(0)HClO+H++e-=1/2Cl2+H2O1.611
Cl(III)-(I)HClO2+2H++2e-=HClO+H2O1.645
Ni(IV)-(II)NiO2+4H++2e-=Ni2++2H2O1.678
Mn(VII)-(IV)MnO4-+4H++3e-=MnO2+2H2O1.679
Pb(IV)-(II)PbO2+SO42-+4H++2e-=PbSO4+2H2O1.6913
Au(I)-(0)Au++e-=Au1.692
Ce(IV)-(III)Ce4++e-=Ce3+1.72
N(I)-(0)N2O+2H++2e-=N2+H2O1.766
O(-I)-(-II)H2O2+2H++2e-=2H2O1.776
Co(III)-(II)Co3++e-=Co2+(2mol·L-1H2SO4)1.83
Ag(II)-(I)Ag2++e-=Ag+1.980
S(VII)-(VI)S2O82-+2e-=2SO42-2.010
O(0)-(-II)O3+2H++2e-=O2+H2O2.076
O(II)-(-II)F2O+2H++4e-=H2O+2F-2.153
Fe(VI)-(III)FeO42-+8H++3e-=Fe3++4H2O2.20
O(0)-(-II)O(g)+2H++2e-=H2O2.421
F(0)-(-I)F2+2e-=2F-2.866
F2+2H++2e-=2HF3.053
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+2NH30.373
O(0)-(-II)O2+2H2O+4e-=4OH-0.401
I(I)-(-I)IO-+H2O+2e