標準氧化還原電位表

標準氧化還原電位表Standardelectrodepotential(datapage)FromWikipedia,thefreeencyclopedia(RedirectedfromTableofstandardelectrodepotentials)Jumpto:navigation,searchMainarticle:standardelectrodepotentialThevaluesofstandardelectrodepotentialsaregiveninthetablebelowinvoltsrelativetothestandardhydrogenelectrodeandareforthefollowingconditions:Atemperatureof298.15K(25°C);Aneffectiveconcentrationof1mol/Lforeachaqueousspeciesoraspeciesinamercuryamalgam;Apartialpressureof101.325kPa(absolute)(1atm,1.01325bar)foreachgaseousreagent.Thispressureisusedbecausemostliteraturedataarestillgivenforthisvalueratherthanforthecurrentstandardof100kPa.Anactivityofunityforeachpuresolid,pureliquid,orforwater(solvent).Legend:(s)-solid;(l)-liquid;(g)-gas;(aq)-aqueous(defaultforallchargedspecies);(Hg)-amalgam.Half-reactionE° (V)[not^Ref.3/N(g)+H++e-=HN(aq)-3.09wrn2-2 3Li++e-=Li(s)-3.0401[2]N(g)+4HO+2e-=2NHOH(aq)+2OH--3.04包2 2 § Cs++e-=Cs(s)-3.026[2]Rb++e-=Rb(s)-2.98[2]Half-reaction Half-reaction □° (V)[note1] Ref.K++e-hK(s)Ba2++2e- Ba(s)La(OH)3(s)+3e-=La(s)+3Sr2++2e-^Sr(s)Ca2++2e-=Ca(s)Eu2++2e-^Eu(s)Ra2++2e-^Ra(s)Na++e-=Na(s)Sc3++3e-HSc(s)La3++3e-HLa(s)Y3++3e-=Y(s)Mg2++2e-^Mg(s)ZrO(OH)2(s)+H2O+4e-=Zr(s)Al(OH)4-+3e-kAl(s)+4OH-Al(OH)3(s)+3e-=Al(s)+3OH-H(g)+2e-=2H-Ac3++3e-HAc(s)Be2++2e-^Be(s)U3++3e-=U(s)Al3++3e-^Al(s)TOC\o"1-5"\h\z-2.931 可-2.912 冏-2.90 日-2.899 口-2.868 口-2.812 可-2.8 可-2.71 -rnw-2.077 w-2.379 口-2.372 口-2.372 可+4OH- -2.36 口-2.33-2.31-2.25-2.20-1.85-1.66 田-1.66 [3]Half-reaction□° (V)[note1]Ref.Ti2++2e-UTi(s)-1.63出ZrO(s)+4H++4e-=7r(s)+2HO 2 2-1.553wZr4++4e-UZr(s)-1.45時Ti3++3e--Ti(s)-1.37一TiO(s)+2H++2e-』i(s)+HO2-1.31TiO(s)+2H++2e-=2TiO(s)+HO ^—3 2-1.23Zn(OH)42-+2e-=Zn(s)+4OH--1.199wMn2++2e-hMn(s)-1.185wFe(CN)64-+6H++2e-=Fe(s)+6HCN(aq)-1.16團Te(s)+2e-=Te2--1.143wV2++2e-=V(s)-1.13wNb3++3e-=Nb(s)-1.099Sn(s)+4H++4e-=SnH(g) 4-1.07SiO2(s)+4H++4e-kSi(s)+2H2O-0.91B(OH)3(aq)+3H++3e-=B(s)+3H2O-0.89Fe(OH)2(s)+2e--Fe(s)+2OH--0.89例FeO(s)+3HO+2e--2Fe(OH)(s)+2OH--0.86例23 2 2TiO2++2H++4e-^Ti(s)+HO2-0.862HO+2e-hH(g)+2OH 2— 2-0.8277諭Bi(s)+3H++3e-=BiH-0.8-rn--0.7628-0.7618-0.75-0.74-0.60-0.6-0.58-0.56-0.53-0.52-0.508-0.499-0.454-0.44-0.43-0.42-0.40-0.37-0.360-0.3588Zn2++2e-^Zn(Hg)Zn2++2e-=Zn(s)TaO(s)+10H++10e-=2Ta(s)+5HO 5 2Cr3++3e-^Cr(s)[Au(CN)2]-+e-^Au(s)+2CN-Ta3++3e-:—Ta(s)PbO(s)+HO+2e-—Pb(s)+2OH-22TiO2(s)+2H++2e-UTiJJs)+H2OGa3++3e-UGa(s)U4++e-:-U3+HPO2(aq)+H++e-=P(white)t?t^+2H2OH3PO3(aq)+2H++2e-=H3POjaq)+H2OHPO(aq)+3H++3e-=P(red)t?^+3HO—ft 3 2Fe2++2e-UFe(s)2CO(g)+2H++2e-=HOOCCOOH(aq) 2 Cr3++e--Cr2+Cd2++2e--Cd(s)TOC\o"1-5"\h\zGeO2(s) +2H+ + 2 e--GeO(s)+ H2OCuO(s) +HO + 2 e--2Cu(s)+ 2OH-PbSO(s)+2e-=Pb(s)+SO2 4 4Half—reactionHalf—reactionHalf—reactionHalf—reactionED(V)ED(V)[note1]Ref.-0.3505w-0.35冏-0.34-w-0.34諭-0.29-0.28w-0.276w-0.26-0.25-0.23諭-0.15224w-0.15-0.14-0.13-0.13-0.13掰-0.12-0.Illw-0.11-0.11PbSO(s)+2e-UPb(Hg)+SO2-4 4EU3++Q-=Ell2+In3++3e-=In(s)Tl++e-^Tl(s)Ge(s)+4H++4e-=GeH(g) 4C02++2e-=Co(s)e-=HPO(aq)+HO

e-=HPO(aq)+HO

3 3 2Ni2++2e-=Ni(s)As(s)+3H++3e-=AsH。(g)S'Agl(s)+e-=Ag(s)+I-+2HO

2TOC\o"1-5"\h\zMoO(s)+4H++4e--Mo(s) 2+2HO

2Si(s)+4H++4e-USiH(g) 4Sn2++2e-=Sn(s)0(g)+H++e-UHO□(aq)—2 2Pb2++2e-UPb(s)WO(s)+4H++4e-=W(s)+2HO — 2P(red)+3H++3e-=PH(g)- 5CO(g)+2H++2e-二HCOOH(aq)2..■Se(s)+2H++2e-=HSe(g) 2Half-reaction Half-reaction □° (V)[note1] Ref.Half-reaction Half-reaction □° (V)[note1] Ref.CO(g)+2H++2e-=CO(g)+HO-0.11SnO(s)+2H++2e-=Sn(s)+HO 2-0.10SnO(s)+2H++2e-=SnO(s)+ 2HO2-0.09WO(aq)+6H++6e--W(s)+3HO 3 2-0.09wP(white)+3H++3e-=PH(g)- 3-0.063Fe3++3e-;—Fe(s)-0.04HCOOH(aq)+2H++2e-^HCHO(aq)+HO2-0.032H++2e-LH(g)20.0000□0+0.07133wAgBr(s)+e-=Ag(s)+Br-S406A+2e-=2迎產(chǎn)+0.08FeO(s)+8H++8e-=3Fe(s)+4HO+0.085[10]N2(g)+2H2O+6H++6e-=2NH40H(aq)+0.092HgO(s)+HO+2e-=Hg(l)+2OH 2+0.0977Cu(NH3)42++e-=Cu(NH3)2++2NH3+0.10Ru(NH3)63++e-=Ru(NH3)：++0.10NH(aq)+4HO+2e-=2NH++OH-+0.11H2MoOjaq)+6H++6e-=Mo(s)4HO2+0.11Ge4++4e-;—Ge(s)+0.12C(s)+4H++4e-=CH(g)- ++0.13HCHO(aq)+2H++2e-=CHOH(aq)+0.13Half-reaction Half-reaction □□ (V)tn^ Ref.Half-reaction Half-reaction □□ (V)tn^ Ref.+0.14+0.15+0.159 +0.14+0.15+0.159 包+0.16+0.163 例+0.17+0.19+0.20+0.22233班+0.24+0.26+0.273 例+0.300+0.308 出+0.34+0.340 包+0.36+0.40 用+0.43+0.50S(s)+2H++2e--HS(g)- 2Sn4++2e-:—Sn2+Cu2++e-=Cu+HSO4-+3H++2e-USOjaq)+2H2OUO2++e-=UO+ 2 2SO42-+4H++2e-USOjaq)+2H2OTiO2++2H++e-—Ti3++HO2SbO++2H++3e-—Sb(s)+HO2AgCl(s)+e-=Ag(s)+Cl-H3AsO3(aq)+3H++3e-^As(s)+3H2OGeO(s)+2H++2e-^Ge(s)+HO2UO2++4H++e-=U4++2H2ORe3++3e-^Re(s)Bi3++3e--Bi(s)VO2++2H++e-—V3++HO2Cu2++2e-;—Cu(s)[Fe(CN)6]3-+e-=[Fe(CN)J-O2(g)+2H2O+4e-=4OH-(aq)HMoO+6H++3e-—M03++2HOCH30H(aq)+2H++2e-=CH4(g)+H2OHalf-reaction□° (V)[note1]Ref.SOjaq)+4H++4e-^S(s)+2H2O+0.50Cu++e-:—Cu(s)+0.520wCO(g)+2H++2e-LC(s)+HO 2+0.52I-+2e-H3I-+0.53出I2(s)+2e-=2I-+0.54一[AuI]-+3e-LAu(s)+4I-4+0.56H3AsOjaq)+2H++2e-^H3AsOjaq)+HO2+0.56[AuI]-+e-LAu(s)+2I-2+0.58MnO4-+2H2O+3e-UMnOjs)+4OH-+0.59S2O32-+6H++4e-=2S(s)+3H2O+0.60Fc++e-UFc(s)+0.641fmH2MoOjaq)+2H++2e-^MoO2(s)+2HO2+0.650 +2H++2e- L+0.6992wO2(g)+2H++2e-=H2O2(aq)+0.70Tl3++3e-—Tl(s)+0.72PtCl62-+2e-hPtClj-+2Cl-+0.726冏H2SeO3(aq)+4H++4e-^Se(s)+3HO2+0.74PtCl42-+2e-hpt(s)+4Cl-+0.758Fe3++e-1—Fe2++0.77Half-reaction Half-reaction □° (V)[note1] Ref.Half-reaction Half-reaction □° (V)[note1] Ref.Ag++e-UAg(s) +0.7996TOC\o"1-5"\h\zHg2++2e-=2Hg(l) +0.80 2NO-(aq)+2H++e-=NO(g)+HO +0.80 3 2 22FeO4上+5H2O+6e-HFe,Js)+10OH- +0.81[AuBr]-+3e-^Au(s)+4Br- +0.854Hg2++2e-—Hg(l) +0.85MnO4-+H++e-=HMnOj +0.902Hg2++2e-—Hg2+ +0.912Pd2++2e-HPd(s) +0.915[AuCl4]-+3e-hAu(s)+4Cl- +0.93MnO2(s)+4H++e-=Mm++2H2O +0.95[AuBr]-+e-^Au(s)+2Br- +0.962c1[12][HXeO6]3-+2H2O+2e-+U[HXeOjc1[12]HTeO6(aq)+2H++2e-=TeOjs)+4H2O +1.02Br2(l)+2e-H2Br- +1.066Br2(aq)+2 e- =2 Br- +1.0873IO3-+5H+ + 4 e- -HIO(aq)+ 2 H2O +1.13[AuCl2]-+e-kAu(s)+2Cl- +1.15HSeOj+3 H+ + 2 e-^HSeOjaq) +HO +1.15AgO(s)+2 H+ + 2 e-—2Ag(s) + HO +1.172 2C1O3-+2H++e-MClOjg)+H2O +1.18[HXeO]3-+5HO+8e-—Xe(g)+11OH- +1.186 2Pt2++2e-=Pt(s) +1.188C1O2(g)+H++e-=HC1Ojaq) +1.192IO3-+12H++10e-=IJs)+6H2O +1.20C1O4-+2H++2e--C1O3-+H2O +1.20O2(g)+4H++4e-=2H2O +1.229MnOjs)+4H++2e-HMn2++2H2O +1.23[HXeO]-+3HO+6e-—Xe(g)+7 OH- +1.244 2T13++2e-1T1+ +1.25Cr2O72-+14H++6e-=2Cr3++7 H2O +1.33C12(g)+2e--2C1- +1.36CoO2(s)+4H++e-=Co3++2H2O +1.422NHOH++H++2e-=NH++2 HO +1.42 —^—5 22HIO(aq)+2H++2e-=IJs)+2H2O+1.44Ce4++e-:—Ce3+ +1.44BrO3-+5H+ + 4 e- - HBrO(aq)+2H2O +1.45--PbO2(s) + 4 H+ + 2e-=Pb2++2H2O +1.460a-PbO(s) + 4 H+ + 2e-1Pb2++2HO +1.4682BrO3-+12 H+ + 10 e--Br2(1)+