Стандартні електродні потенціали металів у водних розчинах

Електродна пара

φ⁰, В

Електродна пара

φ⁰, В

Електродна пара

φ⁰, В

Li⁺/Li

–3,045

Ti²⁺/Ti

–1,630

Sn²⁺/Sn

–0,136

Rb⁺/Rb

–2,925

Ti³⁺/Ti

–1,208

Pb²⁺/Pb

–0,126

K⁺/K

–2,924

Mn²⁺/Mn

–1,192

Fe³⁺/Fe

–0,037

Cs⁺/Cs

–2,923

V²⁺/V

–1,175

2H⁺/H₂

0,000

Ra²⁺/Ra

–2,916

Nb³⁺/Nb

–1,100

Sb³⁺/Sb

+0,240

Ba²⁺/Ba

–2,905

Cr²⁺/Cr

–0,852

Bi³⁺/Bi

+0,317

Sr²⁺/Sr

–2,888

Zn²⁺/Zn

–0,763

Co³⁺/Co

+0,330

Ca²⁺/Ca

–2,864

Cr³⁺/Cr

–0,744

Cu²⁺/Cu

+0,345

Na⁺/Na

–2,711

Ga³⁺/Ga

–0,560

Cu⁺/Cu

+0,520

Ac³⁺/Ac

–2,600

Fe²⁺/Fe

–0,440

Hg₂²⁺/2Hg

+0,850

La³⁺/La

–2,522

Cd²⁺/Cd

–0,403

Ag⁺/Ag

+0,799

Ce³⁺/Ce

–2,483

In³⁺/In

–0,338

Pb⁴⁺/Pb

+0,840

Y³⁺/Y

–2,372

Ti³⁺/Ti

–0,368

Hg²⁺/Hg

+0,852

Mg²⁺/Mg

–2,363

Tl⁺/Tl

–0,336

Pd²⁺/Pd

+0,915

Be²⁺/Be

–1,847

Co²⁺/Co

–0,277

Pt²⁺/Pt

+0,963

U³⁺/U

–1,798

Ni²⁺/Ni

–0,234

Au³⁺/Au

+1,498

Al³⁺/Al

–1,663

Mo³⁺/Mo

–0,200

Au⁺/Au

+1,691

Система

φ⁰ , В

AgCl + ē = Ag + Cl

+ 0,222

Ag + ē = Ag 

+ 0,800

As  +3ē = As 

+ 0,300

Br  + 2ē = 2Br

+ 1,087

BrO  + 3H O + 6ē = Br  + 6OH  

+ 0,610

Cl  + 2ē = 2Cl

+ 1,359

2HClO + 2H  + 2ē = Cl  + 2H O

+ 1,630

ClO  + 6H  + 6ē = Cl  + 3H O

+ 1,450

ClO  + 3H O + 6ē = Cl  + 6OH^–

+ 0,630

CrO  + 4H O + 3ē = Cr  + 8OH

– 0,125

CrO  + 4H  + 3ē = CrO  + 2H₂O

+ 0,945

Cr₂O  + 14H  + 6ē = 2Cr  + 7H₂O

+ 1,333

Cu  + ē = Cu

+ 0,158

F  + 2ē = 2F

+ 2,870

Fe  + ē = Fe

+ 0,771

Fe(CN)  + ē = Fe(CN)  

+ 0,356

FeO  + 8H  + 3ē = Fe  + 4H O

+ 1,700

2H  + 2ē = H

+ 0,000

H + 2ē = 2H

– 2,251

H O – 2ē = O + 2H

– 0,682

H O + 2ē = 2OH

+ 0,880

H O + 2H + 2ē = 2H O

+ 1,776

Hg + 2ē = Hg

+0,854

I + 2ē = 2I

+ 0,536

HIO + H + 2ē = I + H O

+ 0,990

Система

φ⁰ , В

2IO + 12H +10ē = I + 6H O

+ 1,190

IO + 3H O + 6ē = I + 6OH

+ 0,260

MnO + 4H + 2ē = Mn + 2H O

+ 1,228

MnO + 4H + 2ē = MnO + 2H O

+ 2,257

MnO + ē = MnO

+ 0,564

MnO + 2H O + 3ē = MnO + 4OH

+ 0,600

MnO + 8H + 5ē = Mn + 4H O

+ 1,507

MnO + 4H + 3ē = MnO + 2H O

+ 1,692

HNO + H + ē = NO + H O

+ 1,004

NO + 2H + 2ē = NO + H O

+ 0,838

NO + 2H + ē = NO + H O

+ 0,772

NO + 4H + 3ē = NO + 2H O

+ 0,957

2NO + 12H + 10ē = N + 6H O

+ 1,24

NO + 10H + 8ē = NH + 3H O

+ 0,880

Ni(OH) + ē = Ni(OH) + OH

+ 0,49

O + 2H + 2ē = O + H O

+ 2,075

O + 2H O + 4ē = 4OH

+ 0,401

P + 3H O + 3ē = PH + 3OH

– 0,890

H PO + 2H + 2ē = H PO + H O

– 0,276

Pb + 2ē = Pb

+ 1,694

Pb + 2ē = Pb

– 0,130

PbO + 4H + 2ē = Pb + 2H O

+ 1,455

PbO + SO + 4H⁺ + 2ē = PbSO + 2H O

+ 1,685

PtCl + 2ē = PtCl + 2Cl^–

+ 0,720

S + 2ē = S

+ 0,480

SO + H O + 2ē = SO + 2OH

– 0,932

SO + 4H + 2ē = H SO + H O

+ 0,172

Система

φ⁰ , В

SO + 8H + 6ē = S + 4H O

+ 0,357

SO + 8H + 8ē = S + 4H O

+ 0,149

SO + 10H + 8ē = H S + 4H O

+ 0,31

S O + 2ē = 2SO

+ 2,010

Sn + 2ē = Sn

+ 1,151

Tl + 2ē = Tl

+ 1,280

V + ē = V

– 0,255

Sn + 2ē = Sn

– 0,14