标准电极电势图文精.docx

标准电极电势图文精.docx

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标准电极电势图文精

标准电极电势表--

酸性溶液中（298K>>>碱性溶液中（298K>>>

1在酸性溶液中（298K

电对方程式E/V

Li（I-（0Li++e-=Li-3.0401Cs（I-（0Cs++e-=Cs-3.026Rb（I-（0Rb++e-=Rb-2.98K（I-（0K++e-=K-2.931Ba（II-（0Ba2++2e-=Ba-2.912Sr（II-（0Sr2++2e-=Sr-2.89Ca（II-（0Ca2++2e-=Ca-2.868Na（I-（0Na++e-=Na-2.71La（III-（0La3++3e-=La-2.379Mg（II-（0Mg2++2e-=Mg-2.372Ce（III-（0Ce3++3e-=Ce-2.336H（0-（-IH2（g+2e-=2H--2.23Al（III-（0AlF63-+3e-=Al+6F--2.069Th（IV-（0Th4++4e-=Th-1.899Be（II-（0Be2++2e-=Be-1.847U（III-（0U3++3e-=U-1.798Hf（IV-（0HfO2++2H++4e-=Hf+H2O-1.724Al（III-（0Al3++3e-=Al-1.662Ti（II-（0Ti2++2e-=Ti-1.630Zr（IV-（0ZrO2+4H++4e-=Zr+2H2O-1.553Si（IV-（0[SiF6]2-+4e-=Si+6F--1.24Mn（II-（0Mn2++2e-=Mn-1.185Cr（II-（0Cr2++2e-=Cr-0.913Ti（III-（IITi3++e-=Ti2+-0.9

B（III-（0H3BO3+3H++3e-=B+3H2O-0.8698*Ti（IV-（0TiO

+4H++4e-=Ti+2H2O-0.86

2

Te（0-（-IITe+2H++2e-=H2Te-0.793Zn（II-（0Zn2++2e-=Zn-0.7618Ta（V-（0Ta2O5+10H++10e-=2Ta+5H2O-0.750Cr（III-（0Cr3++3e-=Cr-0.744Nb（V-（0Nb2O5+l0H++10e-=2Nb+5H2O-0.644As（0-（-IIIAs+3H++3e-=AsH3-0.608U（IV-（IIIU4++e-=U3+-0.607Ga（III-（0Ga3++3e-=Ga-0.549P（I-（0H3PO2+H++e-=P+2H2O-0.508P（III-（IH3PO3+2H++2e-=H3PO2+H2O-0.499*C（IV-（III2CO

+2H++2e-=H2C2O4-0.49

2

Fe（II-（0Fe2++2e-=Fe-0.447Cr（III-（IICr3++e-=Cr2+-0.407

Cd（II-（0Cd2++2e-=Cd-0.4030Se（0-（-IISe+2H++2e-=H2Se（aq-0.399Pb（II-（0PbI2+2e-=Pb+2I--0.365Eu（III-（IIEu3++e-=Eu2+-0.36Pb（II-（0PbSO4+2e-=Pb+SO42--0.3588In（III-（0In3++3e-=In-0.3382Tl（I-（0Tl++e-=Tl-0.336Co（II-（0Co2++2e-=Co-0.28

P（V-（IIIH3PO4+2H++2e-=H3PO3+H2O-0.276Pb（II-（0PbCl2+2e-=Pb+2Cl--0.2675Ni（II-（0Ni2++2e-=Ni-0.257V（III-（IIV3++e-=V2+-0.255Ge（IV-（0H2GeO3+4H++4e-=Ge+3H2O-0.182Ag（I-（0AgI+e-=Ag+I--0.15224Sn（II-（0Sn2++2e-=Sn-0.1375Pb（II-（0Pb2++2e-=Pb-0.1262*C（IV-（IICO

（g+2H++2e-=CO+H2O-0.12

2

P（0-（-IIIP（white+3H++3e-=PH3（g-0.063Hg（I-（0Hg2I2+2e-=2Hg+2I--0.0405Fe（III-（0Fe3++3e-=Fe-0.037H（I-（02H++2e-=H20.0000Ag（I-（0AgBr+e-=Ag+Br-0.07133S（II.V-（IIS4O62-+2e-=2S2O32-0.08

*Ti（IV-（IIITiO2++2H++e-=Ti3++H

O0.1

2

S（0-（-IIS+2H++2e-=H2S（aq0.142

Sn（IV-（IISn4++2e-=Sn2+0.151

Sb（III-（0Sb2O3+6H++6e-=2Sb+3H2O0.152

Cu（II-（ICu2++e-=Cu+0.153

Bi（III-（0BiOCl+2H++3e-=Bi+Cl-+H2O0.1583

S（VI-（IVSO42-+4H++2e-=H2SO3+H2O0.172

Sb（III-（0SbO++2H++3e-=Sb+H2O0.212

Ag（I-（0AgCl+e-=Ag+Cl-0.22233As（III-（0HAsO2+3H++3e-=As+2H2O0.248

Hg（I-（0Hg2Cl2+2e-=2Hg+2Cl-（饱和KCl0.26808Bi（III-（0BiO++2H++3e-=Bi+H2O0.320

U（VI-（IVUO22++4H++2e-=U4++2H2O0.327

C（IV-（III2HCNO+2H++2e-=（CN2+2H2O0.330

V（IV-（IIIVO2++2H++e-=V3++H2O0.337

Cu（II-（0Cu2++2e-=Cu0.3419Re（VII-（0ReO4-+8H++7e-=Re+4H2O0.368

Ag（I-（0Ag2CrO4+2e-=2Ag+CrO42-0.4470

S（IV-（0H2SO3+4H++4e-=S+3H2O0.449

Cu（I-（0Cu++e-=Cu0.521

I（0-（-II2+2e-=2I-0.5355

I（0-（-II3-+2e-=3I-0.536

As（V-（IIIH3AsO4+2H++2e-=HAsO2+2H2O0.560Sb（V-（IIISb2O5+6H++4e-=2SbO++3H2O0.581Te（IV-（0TeO2+4H++4e-=Te+2H2O0.593U（V-（IVUO2++4H++e-=U4++2H2O0.612**Hg（II-（I2HgCl

+2e-=Hg2Cl2+2Cl-0.63

2

Pt（IV-（II[PtCl6]2-+2e-=[PtCl4]2-+2Cl-0.68O（0-（-IO2+2H++2e-=H2O20.695Pt（II-（0[PtCl4]2-+2e-=Pt+4Cl-0.755*Se（IV-（0H

SeO3+4H++4e-=Se+3H2O0.74

2

Fe（III-（IIFe3++e-=Fe2+0.771Hg（I-（0Hg22++2e-=2Hg0.7973Ag（I-（0Ag++e-=Ag0.7996Os（VIII-（0OsO4+8H++8e-=Os+4H2O0.8

N（V-（IV2NO3-+4H++2e-=N2O4+2H2O0.803Hg（II-（0Hg2++2e-=Hg0.851Si（IV-（0（quartzSiO2+4H++4e-=Si+2H2O0.857Cu（II-（ICu2++I-+e-=CuI0.86N（III-（I2HNO2+4H++4e-=H2N2O2+2H2O0.86Hg（II-（I2Hg2++2e-=Hg22+0.920N（V-（IIINO3-+3H++2e-=HNO2+H2O0.934Pd（II-（0Pd2++2e-=Pd0.951N（V-（IINO3-+4H++3e-=NO+2H2O0.957N（III-（IIHNO2+H++e-=NO+H2O0.983I（I-（-IHIO+H++2e-=I-+H2O0.987V（V-（IVVO2++2H++e-=VO2++H2O0.991V（V-（IVV（OH4++2H++e-=VO2++3H2O1.00Au（III-（0[AuCl4]-+3e-=Au+4Cl-1.002Te（VI-（IVH6TeO6+2H++2e-=TeO2+4H2O1.02N（IV-（IIN2O4+4H++4e-=2NO+2H2O1.035N（IV-（IIIN2O4+2H++2e-=2HNO21.065I（V-（-IIO3-+6H++6e-=I-+3H2O1.085Br（0-（-IBr2（aq+2e-=2Br-1.0873Se（VI-（IVSeO42-+4H++2e-=H2SeO3+H2O1.151Cl（V-（IVClO3-+2H++e-=ClO2+H2O1.152Pt（II-（0Pt2++2e-=Pt1.18Cl（VII-（VClO4-+2H++2e-=ClO3-+H2O1.189I（V-（02IO3-+12H++10e-=I2+6H2O1.195Cl（V-（IIIClO3-+3H++2e-=HClO2+H2O1.214Mn（IV-（IIMnO2+4H++2e-=Mn2++2H2O1.224O（0-（-IIO2+4H++4e-=2H2O1.229Tl（III-（IT13++2e-=Tl+1.252Cl（IV-（IIIClO2+H++e-=HClO21.277N（III-（I2HNO2+4H++4e-=N2O+3H2O1.297**Cr（VI-（IIICr

O72-+14H++6e-=2Cr3++7H2O1.33

2

Br（I-（-IHBrO+H++2e-=Br-+H2O1.331

Cr（VI-（IIIHCrO4-+7H++3e-=Cr3++4H2O1.350

Cl（0-（-ICl2（g+2e-=2Cl-1.35827Cl（VII-（-IClO4-+8H++8e-=Cl-+4H2O1.389

Cl（VII-（0ClO4-+8H++7e-=1/2Cl2+4H2O1.39

Au（III-（IAu3++2e-=Au+1.401

Br（V-（-IBrO3-+6H++6e-=Br-+3H2O1.423

I（I-（02HIO+2H++2e-=I2+2H2O1.439

Cl（V-（-IClO3-+6H++6e-=Cl-+3H2O1.451Pb（IV-（IIPbO2+4H++2e-=Pb2++2H2O1.455

Cl（V-（0ClO3-+6H++5e-=1/2Cl2+3H2O1.47

Cl（I-（-IHClO+H++2e-=Cl-+H2O1.482

Br（V-（0BrO3-+6H++5e-=l/2Br2+3H2O1.482Au（III-（0Au3++3e-=Au1.498Mn（VII-（IIMnO4-+8H++5e-=Mn2++4H2O1.507Mn（III-（IIMn3++e-=Mn2+1.5415Cl（III-（-IHClO2+3H++4e-=Cl-+2H2O1.570

Br（I-（0HBrO+H++e-=l/2Br2（aq+H2O1.574

N（II-（I2NO+2H++2e-=N2O+H2O1.591

I（VII-（VH5IO6+H++2e-=IO3-+3H2O1.601

Cl（I-（0HClO+H++e-=1/2Cl2+H2O1.611

Cl（III-（IHClO2+2H++2e-=HClO+H2O1.645

Ni（IV-（IINiO2+4H++2e-=Ni2++2H2O1.678Mn（VII-（IVMnO4-+4H++3e-=MnO2+2H2O1.679Pb（IV-（IIPbO2+SO42-+4H++2e-=PbSO4+2H2O1.6913Au（I-（0Au++e-=Au1.692Ce（IV-（IIICe4++e-=Ce3+1.72

N（I-（0N2O+2H++2e-=N2+H2O1.766

O（-I-（-IIH2O2+2H++2e-=2H2O1.776Co（III-（IICo3++e-=Co2+（2mol·L-1H2SO41.83

Ag（II-（IAg2++e-=Ag+1.980

S（VII-（VIS2O82-+2e-=2SO42-2.010

O（0-（-IIO3+2H++2e-=O2+H2O2.076

O（II-（-IIF2O+2H++4e-=H2O+2F-2.153Fe（VI-（IIIFeO42-+8H++3e-=Fe3++4H2O2.20

O（0-（-IIO（g+2H++2e-=H2O2.421

F（0-（-IF2+2e-=2F-2.866

F2+2H++2e-=2HF3.053

2在碱性溶液中（298K

电对方程式E/VCa（II-（0Ca（OH2+2e-=Ca+2OH--3.02Ba（II-（0Ba（OH2+2e-=Ba+2OH--2.99La（III-（0La（OH3+3e-=La+3OH--2.90Sr（II-（0Sr（OH2·8H2O+2e-=Sr+2OH-+8H2O-2.88Mg（II-（0Mg（OH2+2e-=Mg+2OH--2.690

Be（II-（0Be2O32-

+3H2O+4e-

=2Be+6OH-

-2.63Hf（IV-（0HfO（OH2+H2O+4e-

=Hf+4OH-

-2.50Zr（IV-（0H2ZrO3+H2O+4e-

=Zr+4OH-

-2.36Al（III-（0H2AlO3-

+H2O+3e-

=Al+OH-

-2.33P（I-（0H2PO2-

+e-

=P+2OH-

-1.82

B（III-（0H2BO3-

+H2O+3e-

=B+4OH-

-1.79P（III-（0HPO32-

+2H2O+3e-

=P+5OH-

-1.71Si（IV-（0SiO32-

+3H2O+4e-

=Si+6OH-

-1.697

P（III-（IHPO32-

+2H2O+2e-

=H2PO2-

+3OH-

-1.65Mn（II-（0Mn（OH2+2e-

=Mn+2OH-

-1.56Cr（III-（0

Cr（OH3+3e-

=Cr+3OH-

-1.48

*

Zn（II-（0[Zn（CN4]2-

+2e-

=Zn+4CN-

-1.26Zn（II-（0Zn（OH2+2e-

=Zn+2OH-

-1.249

Ga（III-（0H2GaO3-

+H2O+2e-

=Ga+4OH-

-1.219Zn（II-（0ZnO22-

+2H2O+2e-

=Zn+4OH-

-1.215Cr（III-（0CrO2-

+2H2O+3e-

=Cr+4OH-

-1.2Te（0-（-ITe+2e-

=Te2-

-1.143

P（V-（III

PO43-

+2H2O+2e-

=HPO32-

+3OH-

-1.05*Zn（II-（0[Zn（NH34]2+

+2e-

=Zn+4NH3

-1.04*W（VI-（0

WO42-

+4H2O+6e-

=W+8OH-

-1.01*

Ge（IV-（0HGeO3-

+2H2O+4e-

=Ge+5OH-

-1.0

Sn（IV-（II[Sn（OH6]2-

+2e-

=HSnO2-

+H2O+3OH-

-0.93S（VI-（IVSO42-

+H2O+2e-

=SO32-

+2OH-

-0.93Se（0-（-IISe+2e-

=Se2-

-0.924

Sn（II-（0HSnO2-

+H2O+2e-

=Sn+3OH-

-0.909P（0-（-IIIP+3H2O+3e-

=PH3（g+3OH-

-0.87

N（V-（IV2NO3-

+2H2O+2e-

=N2O4+4OH-

-0.85H（I-（02H2O+2e-

=H2+2OH-

-0.8277

Cd（II-（0Cd（OH2+2e-

=Cd（Hg+2OH-

-0.809Co（II-（0Co（OH2+2e-

=Co+2OH-

-0.73Ni（II-（0Ni（OH2+2e-

=Ni+2OH-

-0.72

As（V-（IIIAsO43-

+2H2O+2e-

=AsO2-

+4OH-

-0.71Ag（I-（0Ag2S+2e-

=2Ag+S2-

-0.691

As（III-（0AsO2-

+2H2O+3e-

=As+4OH-

-0.68Sb（III-（0

SbO2-

+2H2O+3e-

=Sb+4OH-

-0.66

*Re（VII-（IVReO4-

+2H2O+3e-

=ReO2+4OH-

-0.59*

Sb（V-（IIISbO3-

+H2O+2e-

=SbO2-

+2OH-

-0.59Re（VII-（0

ReO4-

+4H2O+7e-

=Re+8OH-

-0.584

*

S（IV-（II

2SO32-

+3H2O+4e-

=S2O32-

+6OH-

-0.58Te（IV-（0TeO32-

+3H2O+4e-

=Te+6OH-

-0.57Fe（III-（IIFe（OH3+e-

=Fe（OH2+OH-

-0.56S（0-（-IIS+2e-

=S2-

-0.47627

Bi（III-（0Bi2O3+3H2O+6e-

=2Bi+6OH-

-0.46N（III-（II

NO2-

+H2O+e-

=NO+2OH-

-0.46*

Co（II-C（0[Co（NH36]2+

+2e-

=Co+6NH3

-0.422

Se（IV－（0Cu（I－（0Tl（I－（0*SeO32＋3H2O＋4e＝Se＋6OHCu2O＋H2O＋2e＝2Cu＋2OHTl（OH＋e＝Tl＋OH－－－－－－－－－－－0.366－0.360－0.34－0.31－0.222－－Ag（I－（0[Ag（CN2]＋e＝Ag＋2CNCu（OH2＋2e＝Cu＋2OH－－＋－－Cu（II－（0Cr（VI－（III*CrO42＋4H2O＋3e＝Cr（OH3＋5OH[Cu（NH32]＋e＝Cu＋2NH3O2＋H2O＋2e＝HO2＋OHAgCN＋e＝Ag＋CN－－－－－－－－－－－－0.13－0.12－0.076－0.0170.01Cu（I－（0O（0－（－IAg（I－（0N（V－（IIISe（VI－（IVPd（II－（0S（II,V－（IIHg（II－（0Co（III－（IIPt（II－（0Co（III－（IIPb（IV－（III（V－（－ICl（V－（IIIAg（I－（0Fe（III－（IICl（VII－（V*NO3＋H2O＋2e＝NO2＋2OH－－－SeO42＋H2O＋2e＝SeO32＋2OHPd（OH2＋2e＝Pd＋2OHS4O62＋2e＝2S2O32－－－－－0.050.070.08HgO＋H2O＋2e＝Hg＋2OH3＋－－0.09772＋[Co（NH36]＋e＝[Co（NH36]Pt（OH2＋2e＝Pt＋2OH－－－－0.1080.14Co（OH3＋e＝Co（OH2＋OH－－－－0.170.2470.26－PbO2＋H2O＋2e＝PbO＋2OHIO3＋3H2O＋6e＝I＋6OH－－－－－－ClO3＋H2O＋2e＝ClO2＋2OHAg2O＋H2O＋2e＝2Ag＋2OH[Fe（CN6]＋e＝[Fe（CN6]－－－＋－－0.330.3420.3583－－4－－ClO4＋H2O＋2e＝ClO3＋2OH[Ag（NH32]＋e＝Ag＋2NH3O2＋2H2O＋4e＝4OH－－－－－－－0.360.3730.4010.485－Ag（I－（0O（0－（－III（I－（－I*IO＋H2O＋2e＝I＋2OHMnO4＋e＝MnO42－－－－－Ni（IV－（IINiO2＋2H2O＋2e＝Ni（OH2＋2OHMnO4＋2H2O＋3e＝MnO2＋4OH－－－－0.4900.558Mn（VII－（VIMn（VII－（IVMn（VI－（IVAg（II－（IBr（V－（－ICl（V－（－ICl（III－（II（VII－（VCl（III－（－IBr（I－（－ICl（I－（－I*－0.5950.600.6070.610.620.660.7MnO42＋2H2O＋2e＝MnO2＋4OH2AgO＋H2O＋2e＝Ag2O＋2OHBrO3＋3H2O＋6e＝Br＋6OHClO3＋3H2O＋6e＝Cl＋6OH－－－－－－－－－－－－－ClO2＋H2O＋2e＝ClO＋2OHH3IO62＋2e＝IO3＋3OH－－－－－－－－－－ClO2＋2H2O＋4e＝Cl＋4OHBrO＋H2O＋2e＝Br＋2OHClO＋H2O＋2e＝Cl＋2OHClO2（g＋e＝ClO2－－－－－－－－－－0.760.7610.8410.951.24Cl（IV－（IIIO（0－（－IIO3＋H2O＋2e＝O2＋2OH