标准电极电势

标准电极电势（25.0℃，101.325kPa）序号电极过程EÅ/V1Ag++e═Ag0.79962Ag2++e═Ag+1.9803AgBr+e═Ag+Br-0.07134AgBrO3+e═Ag+BrO3-0.5465AgCl+e═Ag+Cl-0.2226AgCN+e═Ag+CN--0.0177Ag2CO3+2e═2Ag+CO32-0.4708Ag2C2O4+2e═2Ag+C2O42-0.4659Ag2CrO4+2e═2Ag+CrO42-0.44710AgF+e═Ag+F-0.77911Ag4[Fe(CN)6]+4e═4Ag+[Fe(CN)6]4-0.14812AgI+e═Ag+I--0.15213AgIO3+e═Ag+IO3-0.35414Ag2MoO4+2e═2Ag+MoO42-0.45715[Ag(NH3)2]++e═Ag+2NH30.37316AgNO2+e═Ag+NO2-0.56417Ag2O+H2O+2e═2Ag+2OH-0.342182AgO+H2O+2e═Ag2O+2OH-0.60719Ag2S+2e═2Ag+S2--0.69120Ag2S+2H++2e═2Ag+H2S-0.036621AgSCN+e═Ag+SCN-0.089522Ag2SeO4+2e═2Ag+SeO42-0.36323Ag2SO4+2e═2Ag+SO42-0.65424Ag2WO4+2e═2Ag+WO42-0.46625Al3+3e═Al-1.66226AlF63-+3e═Al+6F--2.06927Al(OH)3+3e═Al+3OH--2.3128AlO2-+2H2O+3e═Al+4OH--2.3529Am3++3e═Am-2.04830Am4++e═Am3+2.6031AmO22++4H++3e═Am3++2H2O1.7532As+3H++3e═AsH3-0.60833As+3H2O+3e═AsH3+3OH--1.3734As2O3+6H++6e═2As+3H2O0.23435HAsO2+3H++3e═As+2H­2O0.24836AsO2-+2H2O+3e═As+4OH--0.6837H3­AsO4+2H++2e═HAsO2+2H2O0.56038AsO43-+2H2O+2e═AsO2-+4OH--0.7139AsS2-+3e═As+2S2--0.7540AsS43-+2e═AsS2-+2S2--0.6041Au++e═Au1.69242Au3++3e═Au1.49843Au3++2e═Au+1.40144AuBr2-+e═Au+2Br-0.95945AuBr4-+3e═Au+4Br-0.85446AuCl2-+e═Au+2Cl-1.1547AuCl4-+3e═Au+4Cl-1.00248AuI+e═Au+I-0.5049Au(SCN)4-+3e═Au+4SCN-0.6650Au(OH)3+3H++3e═Au+3H2O1.4551BF4-+3e═B+4F--1.0452H2BO3-+H2O+3e═B+4OH--1.7953B(OH)3+7H++8e═BH4-+3H2O-.048154Ba2++2e═Ba-2.91255Ba(OH)2+2e═Ba+2OH--2.9956Be2++2e═Be-1.84757Be2O32-+3H2O+4e═2Be+6OH--2.6358Bi++e═Bi0.559Bi3++3e═Bi0.30860BiCl4-+3e═Bi+4Cl-0.1661BiOCl+2H++3e═Bi+Cl-+H2O0.1662Bi2O3+3H2O+6e═2Bi+6OH--0.4663Bi2O4+4H++2e═2BiO++2H2O1.59364Bi2O4+H2O+2e═Bi2O3+2OH-0.5665Br2(水溶液,aq)+2e═2Br-1.08766Br2(液体)+2e═2Br-1.06667BrO-+H2O+2e═Br-+2OH0.76168BrO3-+6H++6e═Br-+3H2O1.42369BrO3-+3H2O+6e═Br-+6OH-0.61702BrO3-+12H++10e═Br2+6H2O1.48271HBrO+H++2e═Br-+H2O1.331722HBrO+2H++2e═Br2(水溶液,aq)+2H2O1.57473CH3OH+2H++2e═CH4+H2O0.5974HCHO+2H++2e═CH3OH0.1975CH3COOH+2H++2e═CH3CHO+H2O-0.1276(CN)2+2H++2e═2HCN0.37377(CNS)2+2e═2CNS-0.7778CO2+2H++2e═CO+H2O-0.1279CO2+2H++2e═HCOOH-0.19980Ca2++2e═Ca-2.86881Ca(OH)2+2e═Ca+2OH--3.0282Cd2++2e═Cd-0.40383Cd2++2e═Cd(Hg)-0.35284Cd(CN)42-+2e═Cd+4CN--1.0985CdO+H2O+2e═Cd+2OH--0.78386CdS+2e═Cd+S2--1.1787CdSO4+2e═Cd+SO42--0.24688Ce3++3e═Ce-2.33689Ce3++3e═Ce(Hg)-1.43790CeO2+4H++e═Ce3++2H2O1.491Cl2(气体)+2e═2Cl-1.35892ClO-+H2O+2e═Cl-+2OH-0.8993HClO+H++2e═Cl-+H2O1.482942HClO+2H++2e═Cl2+2H2O1.61195ClO2-+2H2O+4e═Cl-+4OH-0.76962ClO3-+12H++10e═Cl2+6H2O1.4797ClO3-+6H++6e═Cl-+3H2O1.45198ClO3-+3H2O+6e═Cl-+6OH-0.6299ClO4-+8H++8e═Cl-+4H2O1.381002ClO4-+16H++14e═Cl2+8H2O1.39101Cm3++3e═Cm-2.04102Co2++2e═Co-0.28103[Co(NH3)6]3++e═[Co(NH3)6]2+0.108104[Co(NH3)6]2++2e═Co+6NH3-0.43105Co(OH)2+2e═Co+2OH--0.73106Co(OH)3+e═Co(OH)2+OH-0.17107Cr2++2e═Cr-0.913108Cr3++e═Cr2+-0.407109Cr3++3e═Cr-0.744110[Cr(CN)6]3-+e═[Cr(CN)6]4--1.28111Cr(OH)3+3e═Cr+3OH--1.48112Cr2O72-+14H++6e═2Cr3++7H2O1.232113CrO2-+2H2O+3e═Cr+4OH--1.2114HCrO4-+7H++3e═Cr3++4H2O1.350115CrO42-+4H2O+3e═Cr(OH)3+5OH--0.13116Cs++e═Cs-2.92117Cu++e═Cu0.521118Cu2++2e═Cu0.342119Cu2++2e═Cu(Hg)0.345120Cu2++Br-+e═CuBr0.66121Cu2++Cl-+e═CuCl0.57122Cu2++I-+e═CuI0.86123Cu2++2CN-+e═[Cu(CN)2]-1.103124CuBr2-+e═Cu+2Br-0.05125CuCl2-+e═Cu+2Cl-0.19126CuI2-+e═Cu+2I-0.00127Cu2O+H2O+2e═2Cu+2OH--0.360128Cu(OH)2+2e═Cu+2OH--0.2221292Cu(OH)2+2e═Cu2O+2OH-+H2O-0.080130CuS+2e═Cu+S2--0.70131CuSCN+e═Cu+SCN--0.27132Dy2++2e═Dy-2.2133Dy3++3e═Dy-2.295134Er2++2e═Er-2.0135Er3++3e═Er-2.331136Es2++2e═Es-2.23137Es3++3e═Es-1.91138Eu2++2e═Eu-2.812139Eu3++3e═Eu-1.991140F2+2H++2e═2HF3.053141F2O+2H++4e═H­2O+2F-2.153142Fe2++2e═Fe-0.447143Fe3++3e═Fe-0.037144[Fe(CN)6]3-+e═[Fe(CN)6]4-0.358145[Fe(CN)6]4-+2e═Fe+6CN--1.5146FeF63-+e═Fe2++6F-0.4147Fe(OH)2+2e═Fe+2OH--0.877148Fe(OH)3+e═Fe(OH)2+OH--0.56149Fe3O4+8H++2e═3Fe2++4H2O1.23150Fm3++3e═Fm-1.89151Fr++e═Fr-2.9152Ga3++3e═Ga-0.549153H2GaO3-+H2O+3e═Ga+4OH--1.29154Gd3++3e═Gd-2.279155Ge2++2e═Ge0.24156Ge4++2e═Ge2+0.0157GeO2+2H++2e═GeO(棕色)+H2O-0.118158GeO2+2H++2e═GeO(黄色)+H2O-0.273159H2GeO3+4H++4e═Ge+3H2O-0.1821602H++2e═H20.0000161H2+2e═2H--2.251622H2O+2e═H2+2OH--0.8277163Hf4++4e═Hf-1.55164Hg2++2e═Hg0.851165Hg22++2e═2Hg0.7971662Hg2++2e═Hg22+0.920167Hg2Br2+2e═2Hg+2Br-0.1392168HgBr42-+2e═Hg+4Br-0.21169Hg2Cl2+2e═2Hg+2Cl-0.26811702HgCl2+2e═Hg2Cl2+2Cl-0.63171Hg2CrO4+2e═2Hg+CrO42-0.54172Hg2I2+2e═2Hg+2I--0.0405173Hg2O+H2O+2e═2Hg+2OH-0.123174HgO+H2O+2e═Hg+2OH-0.0977175HgS(红色)+2e═Hg+S2--0.70176HgS(黑色)+2e═Hg+S2--0.67177Hg2(SCN)2+2e═2Hg+2SCN-0.22178Hg2SO4+2e═2Hg+SO42-0.613179Ho2++2e═Ho-2.1180Ho3++3e═Ho-2.33181I2+2e═2I-0.5355182I3-+2e═3I-0.5361832IBr+2e═I2+2Br-1.02184ICN+2e═I-+CN-0.301852HIO+2H++2e═I2+2H2O1.439186HIO+H++2e═I-+H2O0.987187IO-+H2O+2e═I-+2OH-0.4851882IO3-+12H++10e═I2+6H2O1.195189IO3-+6H++6e═I-+3H2O1.085190IO3-+2H2O+4e═IO-+4OH-0.15191IO3-+3H2O+6e═I-+6OH-0.261922IO3-+6H2O+10e═I2+12OH-0.21193H5IO6+H++2e═IO3-+3H2O1.601194In++e═In-0.14195In3++3e═In-0.338196In(OH)3+3e═In+3OH--0.99197Ir3++3e═Ir1.156198IrBr62-+e═IrBr63-0.99199IrCl62-+e═IrCl63-0.867200K++e═K-2.931201La3++3e═La-2.379202La(OH)3+3e═La+3OH--2.90203Li++e═Li-3.040204Lr3++3e═Lr-1.96205Lu3++3e═Lu-2.28206Md2++2e═Md-2.40207Md3++3e═Md-1.65208Mg2++2e═Mg-2.