标准还原电势StandardReductionPotential.docx

标准还原电势StandardReductionPotential.docx

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标准还原电势StandardReductionPotential

StandardReductionPotential

εo（V）

Ac3++3e↔Aco

-2.20

Ag++e↔Ago

0.7996

Ag2++e↔Ag+

1.980

Ag（C2H3O2）+e↔Ago+C2H3O2-

0.643

AgBr+e↔Ago+Br-

0.07133

AgBrO3+e↔Ago+BrO3-

0.546

Ag2C2O4+2e↔2Ago+C2O42-

0.4647

AgCl+e↔Ago+Cl-

0.22233

AgCN+e↔Ago+CN-

-0.017

Ag（CN）2-+e↔Ago+2CN-

-0.31

Ag2CO3+2e↔2Ago+CO32-

0.47

Ag2CrO4+2e↔2Ago+CrO42-

0.4470

AgF+e↔Ago+F-

0.779

Ag4[Fe（CN）6]+4e↔4Ago+[Fe（CN）6]h

0.1478

AgI+e↔Ago+I-

-0.15224

AgIO3+e↔Ago+IO3-

0.354

Ag2MoO4+2e↔2Ago+MoO42-

0.4573

AgNO2+e↔Ago+2NO2-

0.564

Ag2O+H2O+2e↔2Ago+2OH-

0.342

Ag2O3+H2O+2e↔2AgO+2OH-

0.739

Ag3++2e↔Ag+

1.9

Ag3++e↔Ag2+

1.8

Ag2O2+4H++e↔2Ago+2H2O

1.802

2AgO+H2O+2e↔Ag2O+2OH-

0.607

AgOCN+e↔Ago+OCN-

0.41

Ag2S+2e↔2Ago+S2-

-0.691

AgSCN+e↔Ago+SCN-

0.08951

Ag2S+2H++2e↔2Ago+H2S

-0.0366

Ag2SeO3+2e↔2Ago+SeO42-

0.3629

StandardReductionPotential

εo（V）

Ag2WO4+2e↔2Ago+WO42-

0.4660

Ag2SO4+2e↔2Ago+SO42-

0.654

Ag（S2O3）23-+e↔Ago+2S2O32-

0.01

Al3++3e↔Alo

-1.662

Al（OH）3+3e↔Alo+3OH-

-2.31

Al（OH）4-+3e↔Alo+4OH-

-2.328

H2AlO3-+H2O+3e↔Alo+4OH-

-2.33

AlF63-+3e↔Alo+6F-

-2.069

Am4++e↔Am3+

2.60

Am2++2e↔Amo

-1.9

Am3++3e↔Amo

-2.048

Am3++e↔Am2+

-2.3

Aso+3H++3e↔AsH3

-0.608

As2O3+6H++6e↔2Aso+3H2O

0.234

HAsO2+3H++3e↔Aso+2H2O

0.248

AsO2-+2H2O+3e↔Aso+4OH-

-0.68

H3AsO4+2H++2e↔HAsO2+2H2O

0.560

AsO43-+2H2O+2e↔AsO2-+4OH-

-0.71

Aso+3H2O+3e↔AsH3+3OH-

-1.21

At2+2e↔2At-

0.3

Au++e↔Auo

1.692

Au3++2e↔Au+

1.401

Au3++3e↔Auo

1.498

Au2++e↔Au+

1.8

AuOH2++H++2e↔Au++H2O

1.32

AuBr2-+e↔Auo+2Br-

0.959

AuBr4-+3e↔Auo+4Br-

0.854

AuCl4-+3e↔Auo+4Cl-

1.002

Au（OH）3+3H++3e↔Auo+3H2O

1.32

StandardReductionPotential

εo（V）

H2BO3-+5H2O+8e→BH4-+8OH-

-1.24

H2BO3-+H2O+3e→Bo+4OH-

-1.79

H3BO3+3H++3e→Bo+3H2O

-0.8698

B（OH）3+7H++8e→BH4-+3H2O

-0.481

Ba2++2e→Bao

-2.912

Ba2++2e→Ba（Hg）

-1.570

Ba（OH）2+2e→Bao+2OH-

-2.99

Be2++2e→Beo

-1.847

Be2O32-+3H2O+4e→2Beo+6OH-

-2.63

p-benzoquinone+2H++2e→hydroquinone

0.6992

Bi++e→Bio

0.5

Be3++3e→Bio

0.308

Bi3++2e→Bi+

0.2

Bio+3H++3e→BiH3

-0.8

BiCl4-+3e→Bio+4Cl-

0.16

Bi2O3+3H2O+6e→2Bio+6OH-

-0.46

Bi2O4+4H++2e→2BiO++2H2O

1.593

BiO++2H++3e→Bio+H2O

0.320

BiOCl+2H++3e→Bio+Cl-+H2O

0.1583

Bk4++e→Bk3+

1.67

Bk2++2e→Bko

-1.67

Bk3++e→Bk2+

-2.8

Br2（aq）+2e→2Br-

1.0873

Br2（l）+2e→2Br-

1.066

HBrO+H++2e→Br-+H2O

1.331

HBrO+H++e→1/2Br2（aq）+H2O

1.574

HBrO+H++e→1/2Br2（l）+H2O

1.596

BrO-+H2O+2e→Br-+2OH-

0.761

BrO3-+6H++5e→1/2Br2+3H2O

1.482

StandardReductionPotential

εo（V）

BrO3-+6H++6e↔Br-+3H2O

1.423

BrO3-+3H2O+6e↔Br-+6OH-

0.61

BrO-+H2O+e↔1/2Br2+4OH-

0.455

（CN）2+2H++2e↔2HCN

0.373

2HCNO+2H++2e↔（CN）2+2H2O

0.330

（CNS）2+2e↔2CNS-

0.77

CO2+2H++2e↔HCOOH

-0.199

HCHO+2H2O+2e↔CH3OH+2OH-

-0.59

2CO2+2H++2e↔H2C2O4

-0.49

C2N2+2H++2e↔2HCN

0.37

Ca++e↔Cao

-3.80

Ca2++2e↔Cao

-2.868

Ca（OH）2+2e↔Cao+2OH-

-3.02

Cd2++2e↔Cdo

-0.4030

Cd2++2e↔Cd（Hg）

-0.3521

Cd（OH）2+2e↔Cd（Hg）+2OH-

-.809

CdSO4+2e↔Cdo+SO42-

-0.246

Cd（OH）42-+2e↔Cdo+4OH-

-0.658

CdO+H2O+2e↔Cdo+2OH-

-0.783

CdS+2e↔Cdo+S2-

-1.21

Ce3++3e↔Ceo

-2.336

Ce3++3e↔Ce（Hg）

-1.4373

Ce4++e↔Ce3+

1.72

CeOH3++H++e↔Ce3++H2O

1.715

Cf4++e↔Cf3+

3.3

Cf3++e↔Cf2+

-1.6

Cf3++3e↔Cfo

-1.94

Cf2++2e↔Cfo

-2.12

Cl2（g）+2e↔2Cl-

1.35827

StandardReductionPotential

εo（V）

HClO+H++e↔1/2Cl2+H2O

1.611

HClO+H++2e↔Cl-+H2O

1.482

ClO-+H2O+2e↔Cl-+2OH-

0.81

ClO2+H++e↔HClO2

1.277

HClO2+2H++2e↔HClO+H2O

1.645

HClO2+3H++3e↔1/2Cl2+2H2O

1.628

HClO2+3H++4e↔Cl-+2H2O

1.570

ClO2-+H2O+2e↔ClO-+2OH-

0.66

ClO2-+2H2O+4e↔Cl-+4OH-

0.76

ClO2（aq）+e↔ClO2-

0.954

ClO3-+2H++e↔ClO2+H2O

1.152

ClO3-+3H++2e↔HClO2+H2O

1.214

ClO3-+6H++5e↔1/2Cl2+3H2O

1.47

ClO3-+6H++6e↔Cl-+3H2O

1.451

ClO3-+H2O+2e↔ClO2-+2OH-

0.33

ClO3-+3H2O+6e↔Cl-+6OH-

0.62

ClO4-+2H++2e↔ClO3-+H2O

1.189

ClO4-+8H++7e↔1/2Cl2+4H2O

1.39

ClO4-+8H++8e↔Cl-+4H2O

1.389

ClO4-+H2O+2e↔ClO3-+2OH-

0.36

Cm4++e↔Cm3+

3.0

Cm3++3e↔Cmo

-2.04

Co2++2e↔Coo

-0.28

Co3++e↔Co2+

1.92

[Co（NH3）6]3++e↔[Co（NH3）6]2+

0.108

Co（OH）2+2e↔Co+2OH-

-0.73

Co（OH）3+e↔Co（OH）2+OH-

0.17

Cr2++2e↔Cro

-0.913

Cr3++e↔Cr2+

-0.407

StandardReductionPotential

εo（V）

Cr3++3e↔Cro

-0.744

Cr2O72-+14H++6e↔2Cr3++7H2O

1.232

CrO2-+2H2O+3e↔Cro+4OH-

-1.2

Cr5++e↔Cr4+

1.34

HCrO4-+7H++3e↔Cr3++4H2O

1.350

CrO42-+4H2O+3e↔Cr（OH）3+5OH-

-0.13

Cs++e↔Cso

-3.026

Cu++e↔Cuo

0.521

Cu2++e↔Cu+

0.153

Cu2++2e↔Cuo

0.3419

Cu2++2e↔Cu（Hg）

0.345

Cu3++e↔Cu2+

2.4

Cu2O3+6H++2e↔2Cu2++3H2O

2.0

Cu2++2CN-+e↔[Cu（CN）2]-

1.103

CuI2-+e↔Cuo+2I-

0.00

CuI+e↔Cuo+I-

-0.185

Cu2++I-+e↔CuI

0.86

Cu2O+H2O+2e↔2Cuo+2OH-

-0.360

Cu（OH）2+2e↔Cuo+2OH-

-0.222

2Cu（OH）2+2e↔Cu2O+2OH-+H2O

-0.080

Cs++e↔Cso

-2.923

2D++2e↔D2

-0.013

Dy2++2e↔Dyo

-2.2

Dy3++3e↔Dyo

-2.295

Dy3++e↔Dy2+

-2.6

Er2++2e↔Ero

-2.0

Er3++3e↔Ero

-2.331

Er3++e↔Er2+

-3.0

Es3++e↔Es2+

-1.3

StandardReductionPotential

εo（V）

Es3++3e↔Eso

-1.91

Es2++2e↔Eso

-2.23

Eu2++2e↔Euo

-2.812

Eu3++3e↔Euo

-1.991

Eu3++e↔Eu2+

-0.36

F2+2H++2e↔2HF

3.053

F2+2e↔2F-

2.866

F2O+2H++4e↔H2O+2F-

2.153

Fe2++2e↔Feo

-0.447

Fe3++3e↔Feo

-0.037

Fe3++e↔Fe2+

0.771

2HFeO4-+8H++6e↔Fe2O3+5H2O

2.09

HFeO4-+4H++3e↔FeOOH+2H2O

2.08

HFeO4-+7H++3e↔Fe3++4H2O

2.07

Fe2O3+4H++2e↔2FeOH++H2O

0.16

[Fe（CN）6]3-+e↔[Fe（CN）6]4-

0.358

FeO42-+8H++3e↔Fe3++4H2O

2.20

Fe（OH）3+e↔Fe（OH）2+（OH）-

-0.56

FeS+2e↔Feo+S2-

-1.01

Fe（OH）2+2e↔Feo+2OH-

-0.877

Fm3++e↔Fm2+

-1.1

Fm3++3e↔Fmo

-1.89

Fm2++2e↔Fmo

-2.30

Fr++e↔Fro

-2.9

Ga3++3e↔Gao

-0.549

Ga++e↔Gao

-0.2

GaOH2++H++3e↔Gao+H2O

-0.498

H2GaO3-+H2O+3e↔Gao+4OH-

-1.219

Gd3++3e↔Gdo

-2.279

StandardReductionPotential

εo（V）

Ge2++2e↔Geo

0.24

Ge4++4e↔Geo

0.124

Ge4++2e↔Ge2+

0.00

GeO2+2H++2e↔GeO+H2O

-0.118

H2GeO3+4H++4e↔Geo+3H2O

-0.182

2H++2e↔H2

0.0000000

H2+2e↔2H-

-2.23

HO2+H++e↔H2O2

1.495

2H2O+2e↔H2+2OH-

-0.8277

H2O2+2H++2e↔2H2O

1.776

H2O2+2e↔2OH-

0.88

HO2-+H2O+2e↔3OH-

0.88

Hf4++4e↔Hfo

-1.55

HfO2++2H++4e↔Hfo+H2O

-1.724

HfO2+4H++4e↔Hfo+2H2O

-1.505

HFO（OH）2+H2O+4e↔Hfo+4OH-

-2.50

Hg2++2e↔Hgo

0.851

2Hg2++2e↔Hg22+

0.920

Hg22++2e↔2Hgo

0.7973

Hg2（C2H3O2）2+2e↔2Hgo+2（C2H3O2）-

0.51163

Hg2Br2+2e↔2Hg+2Br-

0.13923

Hg2Cl2+2e↔2Hgo+2Cl-

0.26808

Hg2HPO4+2e↔2Hgo+HPO42-

0.6359

Hg2I2+2e↔2Hgo+2I-

-0.0405

Hg2O+H2O+2e↔2Hgo+2OH-

0.123

HgO+H2O+2e↔Hgo+2OH-

0.0977

Hg（OH）2+2H++2e↔Hgo+2H2O

1.034

Hg2SO4+2e↔2Hgo+SO42-

0.6125

2HgCl2+2e↔Hg2Cl2+2Cl-

0.63

StandardReductionPotential

εo（V）

HO2++2e↔Ho

-2.1

Ho3++3e↔Ho

-2.8

I2+2e↔2I-

0.5355

I3-+2e↔3I-

0.536

H3IO62-+2e↔IO3-+3OH-

0.7

H5IO6+H++2e↔IO3-+3H2O

1.601

2HIO+2H++2e↔I2+2H2O

1.439

HIO+H++2e↔I-+H2O

0.987

IO-+H2O+2e↔I-+2OH-

0.485

2IO3-+12H++10e↔I2+6H2O

1.195

IO3-+6H++6e↔I-+3H2O

1.085

IO3-+2H2O+4e↔IO-+4OH-

0.15

IO3-+3H2O+6e↔IO-+6OH-

0.26

IO4-+2H++2e↔IO3-+H2O

1.60

2IO-+2H2O+2e↔I2+4OH-

0.42

In++e↔Ino

-0.14

In2++e↔In+

-0.40

In3++e↔In2+

-0.49

In3++2e↔In+

-0.443

In3++3e↔Ino

-0.3382

In（OH）3+3e↔Ino+3OH-

-0.99

In（OH）4-+3e↔Ino+4OH-

-1.007

In2O3+3H2O+6e↔2Ino+6OH-

-1.034

Ir3++3e↔Iro

1.156

[IrCl6]2-+e↔[IrCl6]3-

0.8665

[IrCl6]3-+3e↔Iro+6Cl-

0.77

Ir2O3+3H2O+6e↔2Iro+6OH-

0.098

K++e↔Ko

-2.931

La3++3e↔Lao

-2.379

StandardReductionPotential

εo（V）

La（OH）3+3e↔Lao+3OH-

-2.90

Li++e↔Lio

-3.0401

Lr3++3e↔Lro

-1.96

Lu3++3e↔Luo

-2.28

Md3++e↔Md2+

-0.1

Md3++3e↔Mdo

-1.65

Md2++2e↔Mdo

-2.40

Mg++e↔Mgo

-2.70

Mg2++2e↔Mgo

-2.372

Mg（OH）2+2e↔Mgo+2OH-

-2.690

Mn2++2e↔Mno

-1.185

Mn3++3e↔Mn2+

1.5415

MnO2+4H++2e↔Mn2++2H2O

1.224

MnO4-+e↔MnO42-

0.558

MnO4-+4H++3e↔MnO2+2H2O

1.679

MnO4-+8H++5e↔Mn2++4H2O

1.507

MnO4-+2H2O+3e↔MnO2+4OH-

0.595

MnO42-+2H2O+2e↔MnO2+4OH-

0.60

Mn（OH）2+2e↔Mno+2OH-

-1.56

Mn（OH）3+e↔Mn（OH）2+OH-

0.15

Mn2O3+6H++e↔2Mn2++3H2O

0.485

MnO2+2H2O+2e↔Mn（OH）2+2OH-

-0.05

Mo3++3e↔Moo

-0.200

MoO2+4H++4e↔Moo+4H2O

-0.152

H3Mo7O243-+45H++42e↔7Moo+24H2O

0.082

MoO3+6H++6e↔Moo+3H2O

0.075

N2+2H2O+6H++6e↔2NH4OH

0.092

3N2+2H++2e↔2HN3

-3.09

N5++3H++2e↔2NH4+

1.275

StandardReductionPotential

εo（V）

N2O+2H++2e↔N2+H2O

1.766

H2N2O2+2H++2e↔N2+2H2O

2.65

N2O4+2e↔2NO2-

0.867

N2O4+2H++2e↔2NHO2

1.065

N2O4+4H++4e↔2NO+2H2O

1.035

2NH3OH++H++2e↔N2H5++2H2O

1.42

2NO+2H++2e↔N2O+H2O

1.591