标准电极电势

1在酸性溶液中(298K)电对方程式Eq/VLi(I)－(0)Li++e－=Li－3.0401Cs(I)－(0)Cs++e－=Cs－3.026Rb(I)－(0)Rb++e－=Rb－2.98K(I)－(0)K++e－=K－2.931Ba(II)－(0)Ba2++2e－=Ba－2.912Sr(II)－(0)Sr2++2e－=Sr－2.89Ca(II)－(0)Ca2++2e－=Ca－2.868Na(I)－(0)Na++e－=Na－2.71La(III)－(0)La3++3e－=La－2.379Mg(II)－(0)Mg2++2e－=Mg－2.372Ce(III)－(0)Ce3++3e－=Ce－2.336H(0)－(－I)H2(g)+2e－=2H－－2.23Al(III)－(0)AlF63－+3e－=Al+6F－－2.069Th(IV)－(0)Th4++4e－=Th－1.899Be(II)－(0)Be2++2e－=Be－1.847U(III)－(0)U3++3e－=U－1.798Hf(IV)－(0)HfO2++2H++4e－=Hf+H2O－1.724Al(III)－(0)Al3++3e－=Al－1.662Ti(II)－(0)Ti2++2e－=Ti－1.630Zr(IV)－(0)ZrO2+4H++4e－=Zr+2H2O－1.553Si(IV)－(0)SiF62－+4e－=Si+6F－－1.24Mn(II)－(0)Mn2++2e－=Mn－1.185Cr(II)－(0)Cr2++2e－=Cr－0.913Ti(III)－(II)Ti3++e－=Ti2+－0.9B(III)－(0)H3BO3+3H++3e－=B+3H2O－0.8698*Ti(IV)－(0)TiO2+4H++4e－=Ti+2H2O－0.86Te(0)－(－II)Te+2H++2e－=H2Te－0.793Zn(II)－(0)Zn2++2e－=Zn－0.7618Ta(V)－(0)Ta2O5+10H++10e－=2Ta+5H2O－0.750Cr(III)－(0)Cr3++3e－=Cr－0.744Nb(V)－(0)Nb2O5+l0H++10e－=2Nb+5H2O－0.644As(0)－(－III)As+3H++3e－=AsH3－0.608U(IV)－(III)U4++e－=U3+－0.607Ga(III)－(0)Ga3++3e－=Ga－0.549P(I)－(0)H3PO2+H++e－=P+2H2O－0.508P(III)－(I)H3PO3+2H++2e－=H3PO2+H2O－0.499*C(IV)－(III)2CO2+2H++2e－=H2C2O4－0.49Fe(II)－(0)Fe2++2e－=Fe－0.447Cr(III)－(II)Cr3++e－=Cr2+－0.407Cd(II)－(0)Cd2++2e－=Cd－0.4030Se(0)－(－II)Se+2H++2e－=H2Se(aq)－0.399Pb(II)－(0)PbI2+2e－=Pb+2I－－0.365Eu(III)－(II)Eu3++e－=Eu2+－0.36Pb(II)－(0)PbSO4+2e－=Pb+SO42－－0.3588In(III)－(0)In3++3e－=In－0.3382Tl(I)－(0)Tl++e－=Tl－0.336Co(II)－(0)Co2++2e－=Co－0.28P(V)－(III)H3PO4+2H++2e－=H3PO3+H2O－0.276Pb(II)－(0)PbCl2+2e－=Pb+2Cl－－0.2675Ni(II)－(0)Ni2++2e－=Ni－0.257V(III)－(II)V3++e－=V2+－0.255Ge(IV)－(0)H2GeO3+4H++4e－=Ge+3H2O－0.182Ag(I)－(0)AgI+e－=Ag+I－－0.15224Sn(II)－(0)Sn2++2e－=Sn－0.1375Pb(II)－(0)Pb2++2e－=Pb－0.1262*C(IV)－(II)CO2(g)+2H++2e－=CO+H2O－0.12P(0)－(－III)P(white)+3H++3e－=PH3(g)－0.063Hg(I)－(0)Hg2I2+2e－=2Hg+2I－－0.0405Fe(III)－(0)Fe3++3e－=Fe－0.037H(I)－(0)2H++2e－=H20.0000Ag(I)－(0)AgBr+e－=Ag+Br－0.07133S(II.V)－(II)S4O62－+2e－=2S2O32－0.08*Ti(IV)－(III)TiO2++2H++e－=Ti3++H2O0.1S(0)－(－II)S+2H++2e－=H2S(aq)0.142Sn(IV)－(II)Sn4++2e－=Sn2+0.151Sb(III)－(0)Sb2O3+6H++6e－=2Sb+3H2O0.152Cu(II)－(I)Cu2++e－=Cu+0.153Bi(III)－(0)BiOCl+2H++3e－=Bi+Cl－+H2O0.1583S(VI)－(IV)SO42－+4H++2e－=H2SO3+H2O0.172Sb(III)－(0)SbO++2H++3e－=Sb+H2O0.212Ag(I)－(0)AgCl+e－=Ag+Cl－0.22233As(III)－(0)HAsO2+3H++3e－=As+2H2O0.248Hg(I)－(0)Hg2Cl2+2e－=2Hg+2Cl－(饱和KCl)0.26808Bi(III)－(0)BiO++2H++3e－=Bi+H2O0.320U(VI)－(IV)UO22++4H++2e－=U4++2H2O0.327C(IV)－(III)2HCNO+2H++2e－=(CN)2+2H2O0.330V(IV)－(III)VO2++2H++e－=V3++H2O0.337Cu(II)－(0)Cu2++2e－=Cu0.3419Re(VII)－(0)ReO4－+8H++7e－=Re+4H2O0.368Ag(I)－(0)Ag2CrO4+2e－=2Ag+CrO42－0.4470S(IV)－(0)H2SO3+4H++4e－=S+3H2O0.449Cu(I)－(0)Cu++e－=Cu0.521I(0)－(－I)I2+2e－=2I－0.5355I(0)－(－I)I3－+2e－=3I－0.536As(V)－(III)H3AsO4+2H++2e－=HAsO2+2H2O0.560Sb(V)－(III)Sb2O5+6H++4e－=2SbO++3H2O0.581Te(IV)－(0)TeO2+4H++4e－=Te+2H2O0.593U(V)－(IV)UO2++4H++e－=U4++2H2O0.612**Hg(II)－(I)2HgCl2+2e－=Hg2Cl2+2Cl－0.63Pt(IV)－(II)PtCl62－+2e－=PtCl42－+2Cl－0.68O(0)－(－I)O2+2H++2e－=H2O20.695Pt(II)－(0)PtCl42－+2e－=Pt+4Cl－0.755*Se(IV)－(0)H2SeO3+4H++4e－=Se+3H2O0.74Fe(III)－(II)Fe3++e－=Fe2+0.771Hg(I)－(0)Hg22++2e－=2Hg0.7973Ag(I)－(0)Ag++e－=Ag0.7996Os(VIII)－(0)OsO4+8H++8e－=Os+4H2O0.8N(V)－(IV)2NO3－+4H++2e－=N2O4+2H2O0.803Hg(II)－(0)Hg2++2e－=Hg0.851Si(IV)－(0)SiO2+4H++4e－=Si+2H2O0.857Cu(II)－(I)Cu2++I－+e－=CuI0.86N(III)－(I)2HNO2+4H++4e－=H2N2O2+2H2O0.86Hg(II)－(I)2Hg2++2e－=Hg22+0.920N(V)－(III)NO3－+3H++2e－=HNO2+H2O0.934Pd(II)－(0)Pd2++2e－=Pd0.951N(V)－(II)NO3－+4H++3e－=NO+2H2O0.957N(III)－(II)HNO2+H++e－=NO+H2O0.983I(I)－(－I)HIO+H++2e－=I－+H2O0.987V(V)－(IV)VO2++2H++e－=VO2++H2O0.991V(V)－(IV)V(OH)4++2H++e－=VO2++3H2O1.00Au(III)－(0)AuCl4－+3e－=Au+4Cl－1.002Te(VI)－(IV)H6TeO6+2H++2e－=TeO2+4H2O1.02N(IV)－(II)N2O4+4H++4e－=2NO+2H2O1.035N(IV)－(III)N2O4+2H++2e－=2HNO21.065I(V)－(－I)IO3－+6H++6e－=I－+3H2O1.085Br(0)－(－I)Br2(aq)+2e－=2Br－1.0873Se(VI)－(IV)SeO42－+4H++2e－=H2SeO3+H2O1.151Cl(V)－(IV)ClO3－+2H++e－=ClO2+H2O1.152Pt(II)－(0)Pt2++2e－=Pt1.18Cl(VII)－(V)ClO4－+2H++2e－=ClO3－+H2O1.189I(V)－(0)2IO3－+12H++10e－=I2+6H2O1.195Cl(V)－(III)ClO3－+3H++2e－=HClO2+H2O1.214Mn(IV)－(II)MnO2+4H++2e－=Mn2++2H2O1.224O(0)－(－II)O2+4H++4e－=2H2O1.229Tl(III)－(I)T13++2e－=Tl+1.252Cl(IV)－(III)ClO2+H++e－=HClO21.277N(III)－(I)2HNO2+4H++4e－=N2O+3H2O1.297**Cr(VI)－(III)Cr2O72－+14H++6e－=2Cr3++7H2O1.33Br(I)－(－I)HBrO+H++2e－=Br－+H2O1.331Cr(VI)－(III)HCrO4－+7H++3e－=Cr3++4H2O1.350Cl(0)－(－I)Cl2(g)+2e－=2Cl－1.35827Cl(VII)－(－I)ClO4－+8H++8e－=Cl－+4H2O1.389Cl(VII)－(0)ClO4－+8H++7e－=1/2Cl2+4H2O1.39Au(III)－(I)Au3++2e－=Au+1.401Br(V)－(－I)BrO3－+6H++6e－=Br－+3H2O1.423I(I)－(0)2HIO+2H++2e－=I2+2H2O1.439Cl(V)－(－I)ClO3－+6H++6e－=Cl－+3H2O1.451Pb(IV)－(II)PbO2+4H++2e－=Pb2++2H2O1.455Cl(V)－(0)ClO3－+6H++5e－=1/2Cl2+3H2O1.47Cl(I)－(－I)HClO+H++2e－=Cl－+H2O1.482Br(V)－(0)BrO3－+6H++5e－=l/2Br2+3H2O1.482Au(III)－(0)Au3++3e－=Au1.498Mn(VII)－(II)MnO4－+8H++5e－=Mn2++4H2O1.507Mn(III)－(II)Mn3++e－=Mn2+1.5415Cl(III)－(－I)HClO2+3H++4e－=Cl－+2H2O1.570Br(I)－(0)HBrO+H++e－=l/2Br2(aq)+H2O1.574N(II)－(I)2NO+2H++2e－=N2O+H2O1.591I(VII)－(V)H5IO6+H++2e－=IO3－+3H2O1.601Cl(I)－(0)HClO+H++e－=1/2Cl2+H2O1.611Cl(III)－(I)HClO2+2H++2e－=HClO+H2O1.645Ni(IV)－(II)NiO2+4H++2e－=Ni2++2H2O1.678Mn(VII)－(IV)MnO4－+4H++3e－=MnO2+2H2O1.679Pb