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Standard electrodepotential datapageFrom Wikipedia,the freeencyclopediaRedirected fromTable of standard electrode potentialsJump to:navipation,searchMain article:standard electrodepotemialThe valuesofstandardelectrodepotentialsare givenin thetable belowin voltsrelative tothestandard hydrogenelectrodeand arefor thefollowing conditions:•A temperatureof
298.15K25℃;•An effectiveconcectratiooof1mol/L foreach aqueousspecies ora speciesin amercuryamalgam;•A partialpressureof
101.325kPaabsolute1atm,
1.01325bar foreach gaseousreagent.This pressureis usedbecause mostliterature dataare stillgiven forthis valuerather thanforthe currentstandard of100kPa.•An activityofunity foreach puresolid,pure liquid,or forwater solvent.Legend:s-solid;/liquid;g gas;aq-aqueous defaultfor allcharged species;Hg-一一amalgam.VnMHalf-reaction/Ref.%Nzg+H++H LHN3M-
3.09m⑵Li++e,is-
3.0401[21一N2g+4H2O+2=2NH20H⑷+2OH-
3.04m+/=Css-
3.026121Rb++eT=Rbs-
2.98
[2]K++”hKs-
2.931⑵Ba2++2e~MBas-
2.912[21LaOH35+3=Las+3OH--
2.90121Half-reaction E0(V)not£e1]Ref.()()C102g+W+e-=HC1O2Q72IO3-+12H++10H=l2(s)+6H2OC1O4-+2H++2e~CIO3—+H O「2()O g+4H++4e-2H O22MnO
(5)+4H++2U=*Mn2++2H2O[HXeO]_+3H2O+6H=Xe(g)+7OFT24Tl3++2e~=T1+5014H++6H=2Cr3++7H2O产+()C12g+2/=2cr(),CoO2s+4H++6++2H2O2NH3O H++H++2”=N2H5+2H0士2()()2HlO ag+2H++2e~=b s+2H2OCe4++/—Ce3+()BrOs+5H++4e~^HBrO^+2H2O⑶B-PbCh+4H++22H2O弓廿+a-PbO
(5)+4H++2H^Pb2++2H2O22BrOs-+12H++106H0/、重侬/)+22C1O3+12H++10H=Cb(g)+6H2O+
1.19MnO+8H++5e-^Mn2++4H2O+
1.20(HO2*+H++H=H2O2的)+
1.20[31+
1.229+
1.23£12]+
1.24+
1.25+
1.33+
1.36131+
1.42+
1.42LU+
1.44+
1.44+
1.45+
1.460£9]+
1.468
[9]+
1.48+
1.49+
1.51+
1.51£0v|note1]Half-reaction Ref.AU3++3e~=Aus+
1.52NiO5+4H++2e~^Ni2++2OFT+
1.5922HCIO^+2H++2H Ybg+2H O+
1.632Ag2O3s+6H++4d=2Ag++3H2O+
1.67HC1O^+2H++2O FiHCIOC^+H2O+
1.672Pb4++2H^Pb2++
1.6919]MnOF+4H++3U=Mn€2s+2H2O+
1.70AgOs+2H++U=Ag++H2O+
1.77H O2^+2H++2e—=2H2O+
1.782Co3++=Co2++
1.82Au++e=Aus+
1.83
[9]BrOr+2H++2H=BrCh—+H O+
1.852Ag2++e~=Ag++
1.98121S2O2H H2SO/+
2.01016]声+仙g+2H++2e~HO2g+H2O+
2.075
[5]⑸HMnOr+3H++2b AMnCh+2H O+
2.092XeO3+6H++6b reg+3H2O+
2.12[121H XeO6^+8H++8H=Xeg+6H2O+
2.1811214FeO-+3+8H+^Fe3++4H2O+
2.20114]XeF2aq+2H++2J=Xeg+2HFaq+
2.32
[12]Half-reaction£pinole11Ref.H XeO6^+2H++2/=XeChw+H2O+
2.4211214[911F g+2H=2F-+
2.87231F2g+2H++2=2HFaq+
3.05121£o*7lnolc11Half-reaction Ref.Sr2++2H-Srs-
2.899⑵Ca2++2e-Yas-
2.868⑵EU2++2e-=Eus-
2.812
[2]Ra2++2e~MRas-
2.8[21Na++O=Nas-
2.71⑵⑶Sc3++3e-=Scs-
2.077£4]La3++3e~=Las-
2.379L2]Y3++3e-LYs-
2.372
[2]Mg2++2e~LMgs-
2.372⑵ZrOOH25+H2O+4e-=Zrs+4OFT-
2.36121A1OH4-+3e~=Als+4OH--
2.33A1OH3S+3H=A1S+3OH--
2.31Hzg+2e~=2H--
2.25AC3++3e~=Acs-
2.20Be2++2e~MTBes-
1.85U3++3e~=Us-
1.66
[5]Al3++3e-=Als-
1.66□ITi2++2e~5s-
1.6313]ZrO25+4H++4H LZrs+2H2O-
1.553161Zr4++4e~=Zr⑸-
1.45£6]£0*7lnole11Half-reaction Ref.Ti3++3e-=Tis-
1.37121⑶TiO+2H++2b=Tis+H2O-
1.31Ti2O3s+2H++2H=2TiOs+H2O-
1.23ZnOH42-+2e-=Zns+4OH--
1.199£61Mn2++2e~=Mns-
1.185161FeCN64+6H++2es+6HCN〃q-
1.16£8]/冲Te5+2e~^Te2-
1.143
[9]V2++2e-LVs-
1.13[21Nb3++3H-Nbs-
1.099Sn5+4H++4b=SnH4g-
1.07⑸SiO5+4H++4”=Si+2H O-
0.9122BOH3M+3H++3H=Bs+3H2O-
0.89FeOH25+2e-=Fes+2OH--
0.8918]Fe O35+3H2O+2e-=2FeOH2s+2OH--
0.861812TiO2++2H++4=Tis+H2O-
0.862H2O+2e~G2g+2OH--
0.8277
[6]Bi5+3H++3BiH3-
0.8
[61]「Zn2++2e~LZnHg-
0.7628161Zn2++2e~LZns-
0.7618161Ta2O55+10H++10d=2Ta5+5H2O-
0.7535-Cr5-
0.74盘++[AUCN2]-+e~HAys+2CN--
0.60Ta3++3e-=Tas-
0.6PbOs+H2O+2e-HPbs+2OH--
0.582TiO5+2H++2U=Ti2O3s+H2O-
0.562Ga3++3e-:Gas-
0.53U4++e-LU3+-
0.52⑸〃H3Po20+H++H LPw/z淞1n+2H2O-
0.508H3P32H++2=H3PC2Qq+H2O-
0.499的+H3Po3w+3H++3b^P/lnote2i30—
0.45416出re6+1Fe2++2/HFes-
0.44⑶〃〃2CO g+2H++2U=HOOCCOOH-
0.432Cr3++b-Cr2+-
0.42Cd2++2e--Cds-
0.40⑶GeO25+2H++2GeOs+H O-
0.37「2Cu2Os+H2O+2e-=2Cus+2OH--
0.360应PbSO45+2e-=咏+SO2--
0.3588囱4PbSO5+2e-=Pb”g+SO2--
0.3505囱44E/++e~rHEu2+-
0.35国In3++3e~Nns-
0.34囹Half-reaction EV moic11Ref.Tl++/Gs-
0.3419]Ge5+4H++4H—GeH4g-
0.29Co2++2H-Cos-
0.28
[6]H3Po4aq+2H++2b=H3Po3的+H O-
0.27616]2V3++}=V2+-
0.26131Ni2++2e-=Nis-
0.25AS5+3H++3=AsH3g-
0.23
[9]Agls+e~T Ags+I-
0.1522416]⑶MoO2+4H++4LMOS+2H2O-
0.15Si5+4H++4H=SiH4g-
0.14Sn2++2e~=Sn⑸-
0.13⑷Q2g+H++KHO2•-
0.13Pb2++2e-=Pbs-
0.13[31WO2G+4H++4H F^W5+2H2O-
0.12Pred+3H++3H=PH3g-
0.111
[6]82g+2H++2e~=HCOOHM-
0.11Se5+2H++2^H Se^-
0.112CO g+2H++2”=COg+H2O-
0.112SnO5+2H++2H=Sns+H2O-
0.10SnO25+2H++2=SnOs+H2O-
0.09W03M+6H++6b=Ws+3H2O-
0.09191Pwhite+3H++3H TBg-
0.063tmFe3++3e~=Fes-
0.04
[8]HCOOH^+2H++2b=HCHOaq+H2O-
0.032H++2=H2g
0.0000=0AgBrs+e~=Ags+Br-+
0.07133£6]S4O6+2H=2S2O3+
0.08上打⑶Fe3O4+8H++8=3Fes+4H2O+
0.085£10]N2g+2H2O+6H++6=2NH40H+
0.092丁HgOO+H2O+2”^HgZ+2OFT+
0.0977CUNH42++e~=CUNH3”++2NH3+
0.10
[9]3RufNH^21+B=RUNH362++
0.10
[5]N2H4QC/+4H2O+2H=2NH4++4OH-+
0.11LUH2Moe46H++6hMos+4H2O+
0.11〃+Ge4++4Ges+
0.12「Cs+4H++4H TH+
0.13
[9]〃HCHOM+2H++2b=CH30H°+
0.13s5+2H++2/LH2sg+
0.14Sn4++2H=Si++
0.15Oi2++/-Cu++
0.159£9]〃HSOr+3H++2U=SO2q+2H2O+
0.16UO221+e~=UO2++
0.163
[5]SO-+4H++2=SO2M+2H2O+
0.17小TiO2++2H++j=++H2O+
0.19SbO++2H++3H=Sbs+H2O+
0.20⑶£6]AgCl+HAgs+cr+
0.22233H3AsO3的+3H++3=Ass+3H2O+
0.24+
0.26£51UO2++4H++―14++2H2O+
0.273Re3++3e~LRes+
0.300Bi3++3+
0.308
[6]VO2++2H++H内3++H O+
0.342Cu2++2H-Cus+
0.34019]GeOs+2H++2e~=Ges+H2O[FeCN6]3-+O=[FeCN6+
0.36「-[31O2g+2H2O+4H=4OFT+
0.40的H2Mo04+6H++3H hMo3++2H2O+
0.43CH OH^+2H++2H=CH4g+H2O+
0.503SO2«M+4H++4hSs+2H2O+
0.50191Cu++b=Cus+
0.520;CQg+2H++2H Cs+H2O+
0.52131I3一+2J=3r+
0.53£3]hs+2H=2r+
0.54[AUI]+3=Aus+4T+
0.564H3ASO4的+2H++2H=H3Ase3的+H2O+
0.56[Auk]-+=Aus+2T+
0.58MnOr+2H2O+3e~jnC2s+4OH-+
0.59S2O32~+6H++4H=2Ss+3H2O+
0.60Fc++e~=Fcs+
0.641LUI H2Mo04叼+2H++2H=MOO2S+2H2O+
0.65161+
0.6992O2g+2H++2e+
0.70Tl3++3e-Fls+
0.72PtC162-+2e~^PtCU2-+2Cl-+
0.72615]H2SeO3的+4H++4b=Ses+3H2O+
0.74PtC142-+2LPts+4cr+
0.758151Fe3++*=Fe2++
0.77
[6]Ag++e~LAgs+
0.7996Hg22++2H=2HgZ+
0.80NO3二Sq+2H++”O2g+H2O+
0.80£0*7lnote11Half-reaction Ref.2FeO42z+5H2O+6/TdChG+10OH-+
0.81181[AuBr4]+3eT=Aus+4Br-+
0.85Hg2++2=HgZ+
0.85MnO-+H++H=HMnO+
0.90「42Hg2++2”^Hg22++
0.91191Pd2++2e-=Pds+
0.915£5][AuCk]-+3e-=Aus+4C+
0.93「MnChG+4H++Mn3++2H2O+
0.95「[AuBr2]-+e~L,AUS+2Br-+
0.96[HXeO6]3-+2H2O+2e\曰HXeCU「+4OH~+
0.99[121H6TeO6M+2H++2/=TeO2s+4H2O+
1.02[131Br Z+2H=2Br+
1.066
[6]2Bt2aq+2e~=2Br-+
1.0873161IO3-+5H++4=HIO«M+2H2O+
1.13[AuCh]+H=Aus+2Cl-+
1.15HSeOr+3H++2H=H2Se3H O+
1.15的+2Ag2Os+2H++2H=2Ags+H2O+
1.17CIO3-+2H++e~hC102g+H2O+
1.18[HXeO6]3-+5H2O+8O LXeg+11OH-+
1.181121Pt2++2H=Pts+
1.188£5]。