标准电极电势表(同名7751)

标准电极电势表\o"标准电极电势"标准电极电势可以用来计算\o"化学电池"化学电池或\o"原电池"原电池的\o"电化学势"电化学势或\o"电极电势"电极电势。本表中所给出的电极电势以\o"标准氢电极"标准氢电极为参比电极，溶液中离子有效浓度为1mol/L，气体分压为100kPa，温度为298K，所有离子的数据都在水溶液中测得。[1][2][3][4][5][6][7][8][9]单击每栏上方的符号可将数据按元素符号或标准电极电势值排序。注：(s)–

\o"固体"固体；(l)–

\o"液体"液体；(g)–

\o"气体"气体；(aq)–

\o"溶液"水溶液；(Hg)–

\o"汞齐"汞齐。\o"半反应"半反应E°

(V)[注1]来源\o"亚钡"Ba+

+

e−

Ba(s)

−4.38[10][1][3]\o"亚锶"Sr+

+

e−

Sr(s)

−4.10[11][1][3]\o"亚钙"Ca+

+

e−

Ca(s)

−3.8[11][1][3]\o"镨"Pr3+

+

 e−

Pr2+

−3.1[11] \o"氮气"N2(g)+H+

+

e−

\o"叠氮化氢"HN3(aq)

−3.09[6]\o"锂"Li+

+

e−

Li(s)

−3.0401[5]N2(g)+4 H2O+2 e−

2 \o"羟胺"NH2OH(aq)+2 OH−

−3.04[6]\o"铯"Cs+

+

e−

Cs(s)

−3.026[5]\o"氢氧化钙"Ca(OH)2(s)+2 e−

Ca(s)+2OH−

−3.02[11]\o"铷"Rb+

+

e−

Rb(s)

−2.98[4]\o"钾"K+

+

e−

K(s)

−2.931[5]\o"亚镁"Mg+

+

e−

Mg(s)

−2.93[10]\o"钡"Ba2+

+2 e−

Ba(s)

−2.912[5]\o"镧"La(OH)3(s)+3 e−

La(s)+3OH−

−2.90[5]\o"钫"Fr+

+

 e−

Fr(s)

−2.9[11]\o"锶"Sr2+

+2 e−

Sr(s)

−2.899[5]\o"氢氧化锶"Sr(OH)2(s)+2 e−

Sr(s)+2 OH−

−2.88[11]\o"钙"Ca2+

+2 e−

Ca(s)

−2.868[5]\o"铕"Eu2+

+2 e−

Eu(s)

−2.812[5]\o"镭"Ra2+

+2 e−

Ra(s)

−2.8[5]\o"镱"Yb2+

+2 e−

Yb(s)

−2.76[11][1]\o"钠"Na+

+

e−

Na(s)

−2.71[5][9]\o"钐"Sm2+

+2 e−

Sm(s)

−2.68[11][1]\o"锘"No2+

+2 e−

No(s)

−2.50[11]HfO(OH)2(s)+

 H2O+4 e−

\o"铪"Hf(s)+4 OH−

−2.50[11]\o"氢"H2(g)+2 e−

2 H−

−2.25\o"锕"Ac3+

+3 e−

Ac(s)

−2.20\o"亚铍"Be+

+

e−

Be(s)

−2.12[10]\o"锎"Cf2+

+2 e−

Cf(s)

−2.12[11]\o"镅"Am3+

+3 e−

Am(s)

−2.048[11]\o"锎"Cf3+

+3 e−

Cf(s)

−1.94[11]\o"镅"Am2+

+2 e−

Am(s)

−1.9[11]\o"铍"Be2+

+2 e−

Be(s)

−1.85\o"鑪"Rf4+

+4 e−

Rf(s)

−1.67[12]\o"铀"U3+

+3 e−

U(s)

−1.66[7]\o"铝"Al3+

+3 e−

Al(s)

−1.66[9]\o"钛"Ti2+

+2 e−

Ti(s)

−1.63[9]\o"鉳"Bk2+

+2 e−

Bk(s)

−1.6[11]\o"二氧化锆"ZrO2(s)+4 H+

+4 e−

Zr(s)+2 H2O

−1.553[5]\o"铪"Hf4+

+4 e−

Hf(s)

−1.55[11]\o"锆"Zr4+

+4 e−

Zr(s)

−1.45[5]Ti3+

+3 e−

Ti(s)

−1.37[13]\o"一氧化钛"TiO(s)+2 H+

+2 e−

Ti(s)+

 H2O

−1.31\o"三氧化二钛"Ti2O3(s)+2 H+

+2 e−

2 TiO(s)+

 H2O

−1.23\o"锌"Zn(OH)42−

+2 e−

Zn(s)+4 OH−

−1.199[14]\o"锰"Mn2+

+2 e−

Mn(s)

−1.185[14]\o"铁"Fe(\o"氰"CN)64−

+6 H+

+2

 e−

Fe(s)+4HCN(aq)

−1.16[15]\o"钒"V2+

+2 e−

V(s)

−1.175[2]\o"碲"Te(s)+2 e−

Te2−

−1.143[2]\o"铌"Nb3+

+3 e−

Nb(s)

−1.099\o"锡"Sn(s)+4 H+

+4 e−

SnH4(g)

−1.07\o"铟"In(OH)3(s)+3 e−

In(s)+3 OH−

−0.99[11]\o"二氧化硅"SiO2(s)+4 H+

+4 e−

Si(s)+2 H2O

−0.91\o"硼酸"B(OH)3(aq)+3 H+

+3 e−

B(s)+3 H2O

−0.89\o"氢氧化亚铁"Fe(OH)2(s)+2 e−

Fe(s)+2 OH−

−0.89[15]\o"三氧化二铁"Fe2O3(s)+3 H2O+2 e−

2Fe(OH)2(s)+2 OH−

−0.86[15]TiO2+

+2 H+

+4 e−

Ti(s)+

 H2O

−0.862 \o"水"H2O

+2 e−

H2(g)+2 OH−

−0.8277[5]\o"铋"Bi(s)+3 H+

+3 e−

\o"䏟"BiH3

−0.8[14]\o"锌"Zn2+

+2 e−

Zn(Hg)

−0.7628[5]\o"锌"Zn2+

+2 e−

Zn(s)

−0.7618[5]\o"五氧化二钽"Ta2O5(s)+10 H+

+10 e−

2 \o"钽"Ta(s)+5 H2O

−0.75\o"铬"Cr3+

+3 e−

Cr(s)

−0.74[Au(CN)2]−

+

e−

\o"金"Au(s)+2 CN−

−0.60Ta3+

+3 e−

Ta(s)

−0.6PbO(s)+H2O+2 e−

Pb(s)+2 OH−

−0.582 TiO2(s)+2 H+

+2 e−

Ti2O3(s)+H2O

−0.56\o"镓"Ga3+

+3 e−

Ga(s)

−0.53U4+

+

e−

U3+

−0.52[7]\o"次磷酸"H3PO2(aq)+H+

+

e−

P(白磷[16])+2 H2O

−0.508[5]H3PO3(aq)+2 H+

+2 e−

H3PO2(aq)+H2O

−0.499[5]\o"亚磷酸"H3PO3(aq)+3 H+

+3 e−

P(红磷)[16]

+3H2O

−0.454[5]\o"铁"Fe2+

+2 e−

Fe(s)

−0.44[9]2 \o"二氧化碳"CO2(g)+2 H+

+2 e−

\o"草酸"HOOCCOOH(aq)

−0.43Cr3+

+

e−

Cr2+

−0.42\o"镉"Cd2+

+2 e−

Cd(s)

−0.40[9]SeO32−

+4e−

+3H2O

⇌

Se+6OH−

−0.37[17]\o"二氧化锗"GeO2(s)+2 H+

+2 e−

GeO(s)+H2O

−0.37\o"氧化亚铜"Cu2O(s)+H2O+2 e−

2 Cu(s)+2 OH−

−0.360[5]\o"硫酸铅"PbSO4(s)+2 e−

\o"铅"Pb(s)+SO42−

−0.3588[5]PbSO4(s)+2 e−

Pb(Hg)+SO42−

−0.3505[5]\o"铕"Eu3+

+

e−

Eu2+

−0.35[7]\o"铟"In3+

+3 e−

In(s)

−0.34[2]\o"铊"Tl+

+

e−

Tl(s)

−0.34[2]\o"锗"Ge(s)+4 H+

+4 e−

GeH4(g)

−0.29\o"钴"Co2+

+2 e−

Co(s)

−0.28[5]\o"磷酸"H3PO4(aq)+2 H+

+2 e−

H3PO3(aq)+H2O

−0.276[5]V3+

+

e−

V2+

−0.26[9]\o"镍"Ni2+

+2 e−

Ni(s)

−0.25\o"砷"As(s)+3 H+

+3 e−

\o"砷化氢"AsH3(g)

−0.23[2]\o"Silveriodide"AgI(s)+

 e−

Ag(s)+I−

−0.15224[14]\o"二氧化钼"MoO2(s)+4 H+

+4 e−

Mo(s)+2 H2O

−0.15\o"硅"Si(s)+4 H+

+4 e−

SiH4(g)

−0.14Sn2+

+2 e−

Sn(s)

−0.13\o"氧气"O2(g)+H+

+

e−

HO2•(aq)

−0.13\o"铅"Pb2+

+2 e−

Pb(s)

−0.13[9]\o"二氧化钨"WO2(s)+4 H+

+4 e−

\o"钨"W(s)+2 H2O

−0.12\o"磷"P(红磷)+3 H+

+3 e−

\o"磷化氢"PH3(g)

−0.111[5]CO2(g)+2 H+

+2 e−

HCOOH(aq)

−0.11\o"硒"Se(s)+2 H+

+2 e−

H2Se(g)

−0.11CO2(g)+2 H+

+2 e−

CO(g)+H2O

−0.11\o"一氧化锡"SnO(s)+2 H+

+2 e−

Sn(s)+H2O

−0.10\o"二氧化锡"SnO2(s)+2 H+

+2 e−

SnO(s)+H2O

−0.09\o"三氧化钨"WO3(aq)+6 H+

+6 e−

W(s)+3 H2O

−0.09[2]\o"磷"P(白磷)+3 H+

+3 e−

\o"磷化氢"PH3(g)

−0.063[5]Fe3+

+3 e−

Fe(s)

−0.04[15]\o"甲酸"HCOOH(aq)+2 H+

+2 e−

HCHO(aq)+H2O

−0.032 H+

+2 e−

H2(g)

0.00≡

0\o"溴化银"AgBr(s)+

 e−

Ag(s)+Br−

+0.07133[14]\o"连二亚硫酸根"S4O62−

+2 e−

2 \o"硫代硫酸根"S2O32−

+0.08\o"四氧化三铁"Fe3O4(s)+8 H+

+8 e−

3 Fe(s)+4 H2O

+0.085[8]\o"氮气"N2(g)+2 H2O+6H+

+6 e−

2 \o"氨水"NH4OH(aq)

+0.092\o"氧化汞"HgO(s)+H2O+2 e−

Hg(l)+2 OH−

+0.0977Cu(NH3)42+

+

e−

Cu(NH3)2+

+2 NH3

+0.10[2]\o"钌"Ru(NH3)63+

+

e−

Ru(NH3)62+

+0.10[7]\o"肼"N2H4(aq)+4 H2O+2 e−

2 NH4+

+4 OH−

+0.11[6]\o"钼酸"H2MoO4(aq)+6 H+

+6 e−

Mo(s)+4 H2O

+0.11Ge4+

+4 e−

Ge(s)

+0.12\o"碳"C(s)+4 H+

+4 e−

\o"甲烷"CH4(g)

+0.13[2]\o"甲醛"HCHO(aq)+2 H+

+2 e−

\o"甲醇"CH3OH(aq)

+0.13\o"硫"S(s)+2 H+

+2 e−

H2S(g)

+0.14Sn4+

+2 e−

Sn2+

+0.15\o"铜"Cu2+

+

e−

Cu+

+0.159[2]HSO4−

+3 H+

+2 e−

SO2(aq)+2 H2O

+0.16\o"铀酰"UO22+

+

e−

UO2+

+0.163[7]SO42−

+4 H+

+2 e−

SO2(aq)+2 H2O

+0.17TiO2+

+2 H+

+

e−

Ti3+

+H2O

+0.19Bi3+

+2e−

Bi+

+0.2SbO+

+2 H+

+3 e−

Sb(s)+H2O

+0.20\o"氯化银"AgCl(s)+

 e−

Ag(s)+Cl−

+0.22233[14]H3AsO3(aq)+3 H+

+3 e−

As(s)+3 H2O

+0.24GeO(s)+2 H+

+2 e−

Ge(s)+H2O

+0.26UO2+

+4 H+

+

e−

U4+

+2 H2O

+0.273[7]\o"砹"At2

+

e−

2 At-

+0.3[11]Re3+

+3 e−

Re(s)

+0.300Bi3+

+3 e−

Bi(s)

+0.32VO2+

+2 H+

+

e−

V3+

+H2O

+0.34Cu2+

+2 e−

Cu(s)

+0.340[2][Fe(CN)6]3−

+

e−

[Fe(CN)6]4−

+0.36Tc2+

+2 e−

Tc(s)

+0.40[11]O2(g)+2 H2O+4 e−

4 OH−(aq)

+0.40[9]H2MoO4

+6 H+

+3 e−

Mo3+

+2 H2O

+0.43\o"钌"Ru2+

+2 e−

Ru(s)

+0.455[11]Bi+

+

e−

Bi(s)

+0.50CH3OH(aq)+2 H+

+2 e−

CH4(g)+H2O

+0.50SO2(aq)+4 H+

+4 e−

S(s)+2 H2O

+0.50Cu+

+

e−

Cu(s)

+0.520[2]\o"一氧化碳"CO(g)+2 H+

+2 e−

C(s)+H2O

+0.52I3−

+2 e−

3 I−

+0.53[9]\o"碘"I2(s)+2 e−

2 I−

+0.54[9][AuI4]−

+3 e−

Au(s)+4 I−

+0.56H3AsO4(aq)+2 H+

+2 e−

H3AsO3(aq)+H2O

+0.56[AuI2]−

+

e−

Au(s)+2 I−

+0.58MnO4−

+2 H2O+3 e−

MnO2(s)+4 OH−

+0.59\o"铑"Rh+

+

e−

Rh(s)

+0.600[11]S2O32 −

+6 H+

+4 e−

2 S(s)+3 H2O

+0.60\o"二茂铁"Fc+

+

 e−

Fc(s)

+0.641[18]

+

 e−

Ag+

−

+0.643[11]H2MoO4(aq)+2 H+

+2 e−

MoO2(s)+2 H2O

+0.65

+2 H+

+2 e−

+0.6992[14]O2(g)+2 H+

+2 e−

H2O2(aq)

+0.70Tl3+

+3 e−

Tl(s)

+0.72PtCl62−

+2 e−

PtCl42−

+2 Cl−

+0.726[7]H2SeO3(aq)+4 H+

+4 e−

Se(s)+3 H2O

+0.74\o"铑"Rh3+

+3 e−

Rh(s)

+0.758[11]PtCl42−

+2 e−

Pt(s)+4 Cl−

+0.758[7]Fe3+

+

e−

Fe2+

+0.77\o"银"Ag+

+

e−

Ag(s)

+0.7996[5]\o"汞"Hg22+

+2 e−

2 Hg(l)

+0.80\o"硝酸根"NO3−(aq)+2 H+

+

e−

\o"二氧化氮"NO2(g)+H2O

+0.80\o"Ferrate"FeO42−

+5 H2O+6 e−

Fe2O3(s)+10

 OH−

+0.81[15]\o"氢气"H2(g)+2 \o"氢氧根离子"OH−

2 H2O+2 e−

+0.828[19][AuBr4]−

+3 e−

Au(s)+4 Br−

+0.85Hg2+

+2 e−

Hg(l)

+0.85MnO4−

+H+

+

e−

HMnO4−

+0.902 Hg2+

+2 e−

Hg22+

+0.91[2]\o"钯"Pd2+

+2 e−

Pd(s)

+0.915[7][AuCl4]−

+3 e−

Au(s)+4 Cl−

+0.93MnO2(s)+4 H+

+

e−

Mn3+

+2 H2O

+0.95[AuBr2]−

+

e−

Au(s)+2 Br−

+0.96[HXeO6]3−

+2 H2O+2 e−

+

[HXeO4]−

+4  OH−

+0.99[20]HNO2

+H+

+e-

=NO(g)

+H2O

+0.996\o"碲酸"H6TeO6(aq)+2 H+

+2 e−

TeO2(s)+4 H2O

+1.02[21]Br2(l)+2 e−

2 Br−

+1.07Br2(aq)+2 e−

2 Br−

+1.09[9]NO2(g)+H+

+e-

=HNO2

+1.093IO3−

+5 H+

+4 e−

HIO(aq)+2 H2O

+1.13[AuCl2]−

+

e−

Au(s)+2 Cl−

+1.15HSeO4−

+3 H+

+2 e−

H2SeO3(aq)+H2O

+1.15\o"铱"Ir3+

+3 e−

Ir(s)

+1.156[11]Ag2O(s)+2 H+

+2 e−

2 Ag(s)+H2O

+1.17ClO3−

+2 H+

+

e−

ClO2(g)+H2O

+1.18[HXeO6]3−

+5 H2O+8

 e−

Xe(g)+11 OH−

+1.18[20]\o"铂"Pt2+

+2 e−

Pt(s)

+1.188[7]ClO2(g)+H+

+

e−

HClO2(aq)

+1.192 IO3−

+12 H+

+10 e−

I2(s)+6 H2O

+1.20ClO4−

+2 H+

+2 e−

ClO3−

+H2O

+1.20O2(g)+4 H+

+4 e−

2 H2O

+1.229[9]MnO2(s)+4 H+

+2 e−

Mn2+

+2H2O

+1.23[HXeO4]−

+3 H2O+6

 e−

Xe(g)+7 OH−

+1.24[20]Tl3+

+2 e−

Tl+

+1.25Cr2O72 −

+14 H+

+6 e−

2 Cr3+

+7 H2O

+1.33Cl2(g)+2 e−

2 Cl−

+1.36[9]CoO2(s)+4 H+

+

e−

Co3+

+2 H2O

+1.422 \o"羟胺"NH3OH+

+H+

+2 e−

\o"肼"N2H5+

+2 H2O

+1.42[6]2 HIO(aq)+2 H+

+2 e−

I2(s)+2 H2O

+1.44Ce4+

+

e−

Ce3+

+1.44BrO3−

+5 H+

+4 e−

HBrO(aq)+2 H2O

+1.45\o"二氧化铅"β-PbO2(s)+4 H+

+2 e−

Pb2+

+2 H2O

+1.460[2]α-PbO2(s)+4 H+

+2 e−

Pb2+

+2 H2O

+1.468[2]2 BrO3−

+12 H+

+10 e−

Br2(l)+6 H2O

+1.482ClO3−

+12 H+

+10 e−

Cl2(g)+6 H2O

+1.