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最全的标准电极电势(无表格版)

2023-03-22 来源:独旅网


——标准电极电势表—-

1 在酸性溶液中 (298K)

电对 方程式 Li(I)-(0) Li++e-=Li Cs(I)-(0) Cs++e-=Cs Rb(I)-(0) Rb++e-=Rb K(I)-(0) K++e-=K Ba(II)-(0) Sr(II)-(0) Sr2++2e-=Sr Ca(II)-(0) Ca2++2e-=Ca Na(I)-(0) Na++e-=Na La(III)-(0) La3++3e-=La Mg(II)-(0) E/V

-3。0401

-3。026

-2。98

-2。931

Ba2++2e-=Ba -2。912

-2。89

-2。868

-2。71

-2.379

Mg2++2e-=Mg -2。372

Ce(III)-(0) Ce3++3e-=Ce H(0)-(-I) H2(g)+2e-=2H- Al(III)-(0) AlF63-+3e-=Al+6F- Th(IV)-(0) Be(II)-(0) Be2++2e-=Be U(III)-(0) U3++3e-=U Hf(IV)-(0) 724

Al(III)-(0) Ti(II)-(0) Ti2++2e-=Ti Zr(IV)-(0) 1.553

Si(IV)-(0) [SiF6]2-+4e-=Si+6F- Mn(II)-(0) Mn2++2e-=Mn -2。336

-2.23

-2.069

Th4++4e-=Th -1.899

-1。847

-1.798

HfO2++2H++4e-=Hf+H2O -1。

Al3++3e-=Al -1。662

-1.630

ZrO2+4H++4e-=Zr+2H2O -

-1。24

-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)

-0.644

Nb2O5+l0H++10e-=2Nb+5H2O

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) 49

Fe(II)-(0) Fe2++2e-=Fe Cr(III)-(II) Cd(II)-(0) Cd2++2e-=Cd Se(0)-(-II) 0.399

Pb(II)-(0) PbI2+2e-=Pb+2I- Eu(III)-(II) Eu3++e-=Eu2+ Pb(II)-(0) In(III)-(0) In3++3e-=In Tl(I)-(0) Tl++e-=Tl Co(II)-(0) Co2++2e-=Co 2CO2+2H++2e-=H2C2O4 -0。

-0.447

Cr3++e-=Cr2+ -0.407

-0。4030

Se+2H++2e-=H2Se(aq) -

-0.365

-0.36

PbSO4+2e-=Pb+SO42- -0.3588

-0。3382

-0.336

-0.28

P(V)-(III)

-0。276

H3PO4+2H++2e-=H3PO3+H2O

Pb(II)-(0) PbCl2+2e-=Pb+2Cl- -0。2675

Ni (II)-(0) Ni2++2e-=Ni -0。257

V(III)-(II) V3++e-=V2+ 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 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-=H2 0。0000

0.255

0。1375

--

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++H2O 0。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) HAsO2+3H++3e-=As+2H2O 0。248

Hg(I)-(0) Hg2Cl2+2e-=2Hg+2Cl-(饱和KCl) 0。26808

Bi(III)-(0) BiO++2H++3e-=Bi+H2O 0.320

U(VI)-(IV) 327

UO22++4H++2e-=U4++2H2O 0。

C(IV)-(III)

0。330

2HCNO+2H++2e-=(CN)2+2H2O

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+2H2O 0.560

Sb(V)-(III)

0.581

Sb2O5+6H++4e-=2SbO++3H2O

Te(IV)-(0) TeO2+4H++4e-=Te+2H2O 0。593

U(V)-(IV) UO2++4H++e-=U4++2H2O 0.612

**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-=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)

0。803

2NO3-+4H++2e-=N2O4+2H2O

Hg(II)-(0) Hg2++2e-=Hg 0。851

Si(IV)-(0) (quartz)SiO2+4H++4e-=Si+2H2O 0。857

Cu(II)-(I) Cu2++I-+e-=CuI 0。86

N(III)-(I) 2HNO2+4H++4e-=H2N2O2+2H2O 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) 957

NO3-+4H++3e-=NO+2H2O 0。

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++3H2O 1.00

Au(III)-(0) [AuCl4]-+3e-=Au+4Cl- 1。002

Te(VI)-(IV)

1。02

H6TeO6+2H++2e-=TeO2+4H2O

N(IV)-(II) N2O4+4H++4e-=2NO+2H2O 1。035

N(IV)-(III) N2O4+2H++2e-=2HNO2 1.065

I(V)-(-I) IO3-+6H++6e-=I-+3H2O 1。085

Br(0)-(-I) Br2(aq)+2e-=2Br- 1.0873

Se(VI)-(IV) SeO42-+4H++2e-=H2SeO3+H2O 1.151

Cl(V)-(IV) ClO3-+2H++e-=ClO2+H2O 1。152

Pt(II)-(0) Pt2++2e-=Pt 1。18

Cl(VII)-(V) 189

ClO4-+2H++2e-=ClO3-+H2O 1。

I(V)-(0) 2IO3-+12H++10e-=I2+6H2O 1.195

Cl(V)-(III) 214

ClO3-+3H++2e-=HClO2+H2O 1。

Mn(IV)-(II)

1。224

MnO2+4H++2e-=Mn2++2H2O

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) 2HNO2+4H++4e-=N2O+3H2O 1.297

**Cr(VI)-(III) Cr2O72-+14H++6e-=2Cr3++

7H2O 1。33

Br(I)-(-I) HBrO+H++2e-=Br-+H2O 1。331

Cr(VI)-(III)

1。350

HCrO4-+7H++3e-=Cr3++4H2O

Cl(0)-(-I) Cl2(g)+2e-=2Cl- 1。35827

Cl(VII)-(-I) 389

ClO4-+8H++8e-=Cl-+4H2O 1。

Cl(VII)-(0)

1。39

ClO4-+8H++7e-=1/2Cl2+4H2O

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)

1.451

ClO3-+6H++6e-=Cl-+3H2O

Pb(IV)-(II)

1.455

PbO2+4H++2e-=Pb2++2H2O

Cl(V)-(0) ClO3-+6H++5e-=1/2Cl2+3H2O 1.47

Cl(I)-(-I) HClO+H++2e-=Cl-+H2O 1.482

Br(V)-(0) BrO3-+6H++5e-=l/2Br2+3H2O 1。482

Au(III)-(0) Au3++3e-=Au 1。498

Mn(VII)-(II)

1.507

MnO4-+8H++5e-=Mn2++4H2O

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)+H2O 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) 678

NiO2+4H++2e-=Ni2++2H2O 1。

Mn(VII)-(IV)

1。679

MnO4-+4H++3e-=MnO2+2H2O

Pb(IV)-(II) PbO2+SO42-+4H++2e-=PbSO4+2H2O 1。6913

Au(I)-(0) Au++e-=Au 1。692

Ce(IV)-(III) Ce4++e-=Ce3+ 1。72

N(I)-(0) N2O+2H++2e-=N2+H2O 1.766

O(-I)-(-II) H2O2+2H++2e-=2H2O 1.776

Co(III)-(II)

1.83

Co3++e-=Co2+(2mol·L-1 H2SO4)

Ag(II)-(I) Ag2++e-=Ag+ 1。980

S(VII)-(VI) S2O82-+2e-=2SO42- 2。010

O(0)-(-II) O3+2H++2e-=O2+H2O 2。076

O(II)-(-II) F2O+2H++4e-=H2O+2F- 2。153

Fe(VI)-(III) FeO42-+8H++3e-=Fe3++4H2O 2。20

O(0)-(-II) O(g)+2H++2e-=H2O 2。421

F(0)-(-I) F2+2e-=2F- 2。866

F2+2H++2e-=2HF 3.053

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-+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) 56

Mn(OH)2+2e-=Mn+2OH- -1。

Cr(III)-(0) 48

Cr(OH)3+3e-=Cr+3OH- -1。

*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)

-1.219

H2GaO3-+H2O+2e-=Ga+4OH-

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)HGeO-+2HO+4e-=Ge+5OH- -1。0 32

Sn(IV)-(II) +3OH-

-0。93

[Sn(OH)6]2-+2e-=HSnO2-+H2O

S(VI)-(IV)

-0.93

SO42-+H2O+2e-=SO32-+2OH-

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)

-0。85

2NO3-+2H2O+2e-=N2O4+4OH-

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) 0。68

AsO2-+2H2O+3e-=As+4OH- -

Sb(III)-(0) 0。66

SbO2-+2H2O+3e-=Sb+4OH- -

*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)

-0。56

Fe(OH)3+e-=Fe(OH)2+OH-

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)

-0.366

SeO32-+3H2O+4e-=Se+6OH-

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) 5OH-

-0.13

CrO42-+4H2O+3e-=Cr(OH)3+

*Cu(I)-(0) [Cu(NH3)2]++e-=Cu+2NH3 -0。12

O(0)-(-I) 0.076

O2+H2O+2e-=HO2-+OH- -

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) 0977

HgO+H2O+2e-=Hg+2OH- 0。

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) 247

PbO2+H2O+2e-=PbO+2OH- 0。

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)

0.36

ClO4-+H2O+2e-=ClO3-+2OH-

*Ag(I)-(0) [Ag(NH3)2]++e-=Ag+2NH0.373 3

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) 4OH-

0.60

MnO42-+2H2O+2e-=MnO2+

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)

0.76

ClO2-+2H2O+4e-=Cl-+4OH-

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

摘自David R.Lide, Handbook of Chemistry and Physics, 8-25-8-30, 78th. edition, 1997-1998

* 摘自J.A。 Dean Ed,Lange’s Handbook of Chemistry, 13th。 edition, 1985

** 摘自其他参考书。

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