標(biāo)準(zhǔn)電極電勢表酸堿

1、標(biāo)準(zhǔn)電極電勢表-酸性溶液中(298K)>>>堿性溶液中(298K)>>>1在酸性溶液中 (298K)電對方程式E&VLi(I) -(0)+ -Li + e = Li 3.0401Cs(I) -(0)Cs + e = Cs 3.026Rb(I) -(0)Rb + e = Rb一 2.98K(I) -(0)K + + e = K 2.931Ba(II) - (0)Ba2+ + 2e = Ba 2.912Sr(II) -(0)Sr2 + 2e = Sr一 2.89Ca(II) (0)Ca2 + 2e = Ca-2.868Na(I) -(0)Na + e =

2、 Na一 2.71La(III) (0)3+_ La + 3e = La 2.379Mg(II) -(0)Mg2+ + 2e = Mg-2.372Ce(III) (0)一 3+ 一-Ce + 3e = Ce-2.336H(0) (-I) H2(g) + 2e = 2H一 2.23Al(III) (0)AlF63 + 3e = Al + 6F-2.069Th(IV) (0)Th 4 + 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

3、1.724Al(III) (0)Al3+ + 3e = Al1.662Ti(II) -(0)Ti2 + 2e = Ti-1.630Zr(IV) - (0)ZrO2+ 4H+ 4e = Zr + 2電。-1.553Si(IV) (0)SiF62 + 4e = Si+ 6F一 1.24Mn(II) (0)Mn2+ + 2e = Mn-1.185Cr(II) -(0)Cr2 + 2e = Cr-0.913Ti(III) (II)Ti3 + e = Ti2,一 0.9B(III) (0)H3BO3+ 3H + 3e = B+ 3H2O-0.8698*Ti(IV) (0)_ + 一 _ . . _TiO

4、2+ 4H + 4e = Ti + 2H?O-0.86Te(0) (-II)Te+ 2H + 2e = H?Te-0.793Zn(II) (0)Zn2 + 2e = Zn-0.7618Ta(V) -(0)Ta2O5+ 10H , + 10e = 2Ta+ 5H2O-0.750Cr(III) (0)Cr + 3e = Cr-0.744Nb(V) (0)Nb2O5+ l0H + + 10e = 2Nb + 5H2O-0.644As(0) ( III)As+ 3H + 3e = AsH3-0.608U(IV) (III),4+ 11 |3 +U + e = U-0.607Ga(III) - (0)G

5、a3 + 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

6、+ 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)Co? + + 2e = Co一 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)、/3

7、+ |-2 +V + e = V-0.255Ge(IV) (0)H2GeO3 + 4H + + 4e = Ge+ 3H 2O 0.182Ag(I) -(0)一 一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一 0.12P(0) (III)P(white) + 3H + + 3e = PH3(g)-0.063Hg(I) -(0)Hg2I2 + 2e = 2Hg + 2I-0.0405Fe

8、(III) (0)Fe3+ + 3e = Fe-0.037H(I) -(0)2H + 2e = H20.0000Ag(I) -(0)AgBr + e = Ag + Br0.07133S(II.V) (II)S4O62 + 2e = 2S2O320.08*Ti(IV) (III)TiO 2+ + 2H + e = Ti3+ H2O0.1S(0) (-II)_ + - .一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

9、 + e = Cu0.153Bi(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 + Cl0.22233As(III) (0)HASO2+ 3H + 3e = As+ 2H2O0.248Hg(I) -(0)Hg2Cl2+ 2e = 2Hg + 2Cl (飽和 KCl)0.26808Bi(III) (0)BiO + 2H + 3e =

10、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)Cu? , + 2e = Cu0.3419Re(VII) (0)ReO4 + 8H + 7e = Re+ 4H2O0.368Ag(I) -(0)Ag2CrO4+ 2e = 2Ag + CrO：0.4470S(IV) -(0)H2SO3 + 4H + 4e = S+ 3H2O0.449Cu(I)

11、-(0)一 + . Cu + e = Cu0.5211(0) -(-1)I2+ 2e = 2I0.53551(0) -(-1)13 + 2e = 3I0.536As(V) (III)H3ASO4 + 2H + 2e = HAsO 2 + 2H 2O0.560Sb(V) (III)Sb2O5+ 6H + + 4e = 2SbO + + 3芯。0.581Te(IV) (0)TeO2 + 4H+ + 4e = Te+ 2H2O0.593U(V) (IV)UO2 + 4H + e = U4 + 2H2O0.612*Hg(II) - (I)2HgCl2+ 2e = Hg2Cl2+ 2Cl0.63Pt(I

12、V) (II)PtCl 62 + 2e = PtCl 42 + 2Cl0.68O(0) (一 I)O2 + 2H+ 2e = H2O20.695Pt(II) -(0)PtCl 42 + 2e = Pt + 4Cl0.755* 一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)_ _ . .+ 一一 一OsO4 + 8H + 8e = Os+4H 2O0.

13、8N(V) (IV)2NO3 + 4H * + 2e = N2O4+ 2H2O0.803Hg(II) -(0)2Hg + 2e = Hg0.851Si(IV) (0)(quartz)SiO2 + 4H+ + 4e = Si + 2H2O0.857Cu(II) -(I)Cu + 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 = Pd

14、0.951N(V) (II)NO3 + 4H + + 3e = NO + 2田。0.957N(III) (II)HNO2+ H + e = NO + H2O0.983I(I) (-I)_ + - .一HIO + H + 2e = I + H2O0.987V(V) (IV)_ +. .2 +.一VO2 + 2H + e = VO + H2O0.991V(V) (IV)V(OH) 4，+ 2H + e = VO2+ + 3H2O1.00Au(III) - (0)AuCl 4 + 3e = Au + 4Cl1.002Te(VI) (IV)H6TeO6 + 2H + + 2e = TeO2 + 4H2

15、O1.02N(IV) (II)N2O4 + 4H+ + 4e = 2NO + 2H2O1.035N(IV) (III)N2O4 + 2H + 2e = 2HNO 21.065I(V) -(-1)IO3 + 6H + 6e = I + 3H2O1.085Br(0) (一 I)Br2(aq) + 2e = 2Br1.0873Se(VI) (IV)SeO42 + 4H+ 2e = H2SeO3 + H2O1.151Cl(V) (IV)一 一.+ 一 一.一 ClO3 + 2H + e = ClO2 + H2O1.152Pt(II) -(0)Pt2 + 2e = Pt1.18Cl(VII) (V)Cl

16、O4 + 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+ 3H2O1.2

17、97* 一Cr(VI) (III)Cr2O + 14H + 6e = 2Cr，+ + 7H 2O1.33Br(I) (- I)HBrO + H + 2e = Br + H2O1.331Cr(VI) (III)HCrO4 + 7H + + 3e = Cr3 + + 4H2O1.350Cl(0) (-I)Cl2(g) + 2e = 2Cl1.35827Cl(VII) (-I)ClO4 + 8H + + 8e = Cl + 4H?O1.389Cl(VII) (0)ClO4 + 8H + + 7e = 1/2Cl 2 + 4田。1.39Au(III)一Au3 + 2e = Au+1.401Br(V)

18、(-I)BrO3 + 6H + + 6e = Br + 3H2O1.423I(I) -(0)2HIO + 2H + 2e = I2 + 2此。1.439Cl(V) (-I)ClO3 + 6H + + 6e = Cl + 3H2O1.451Pb(IV) (II)PbO2 + 4H+ + 2e = Pb2+ + 2田。1.455Cl(V) -(0)ClO3 + 6H + + 5e = 1/2Cl 2+ 3田。1.47Cl(I) (-1)HClO + H + 2e = Cl + 田。1.482Br(V) (0)_ - 一 _BrO3 + 6H + 5e = l/2Br 2 + 3H 2O1.482A

19、u(III) - (0)Au3 + 3e = Au1.498Mn(VII) (II)一+2 +MnO4 + 8H + 5e = Mn + 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)H5IO 6+ H + 2e = IO 3 + 3H2O1.601Cl(I) -(0)_ _ +

20、 . .一HClO + H + e = 1/2Cl 2 + 田。1.611Cl(III) -(I)HC6 + 2H + 2e = HClO + H2O1.645Ni(IV) (II)NiO2+ 4H , + 2e = Ni2 + 2芯。1.678Mn(VII) (IV)MnO 4 + 4H + 3e = MnO 2+ 2H2O1.679Pb(IV) (II)PbO2 + SO42 + 4H+ + 2e = PbSO4+ 2H2O1.6913Au(I) -(0)Au + e = Au1.692Ce(IV) (III)Ce4+ + e = Ce3+1.72N(I) -(0)N2O+ 2H + +

21、2e = N2 + H2O1.766O( -I)-(-II)H2O2 + 2H + 2e = 2H2O1.776Co(III) (II)Co3 + e = Co2+ (2mol L 1 H2SO4)1.83Ag(II) -(I)Ag2 + e = Ag +1.980S(VII) (VI)S2O82 + 2e = 2SO422.010O(0) ( II)O3+ 2H + 2e = O2 + H2O2.076O(II) ( II)+ 一 一F2O+ 2H + 4e = H2O+ 2F2.153Fe(VI) (III)FeO42 + 8H+ + 3e = Fe3+ + 4H2O2.20O(0) (

22、II)O(g) + 2H + 2e = H2O2.421F(0) (-I)F2 + 2e = 2F2.866一 + _ F2 + 2H + 2e = 2HF3.0532在堿性溶液中(298K)電對方程式E/VCa(II) (0)_ _ _ Ca(OH)2 + 2e = Ca+ 2OH一 3.02Ba(II) - (0)Ba(OH)2 + 2e = Ba+ 2OH一 2.99La(III) (0)La(OH)3 + 3e = La+ 3OH一 2.90Sr(II) -(0)Sr(OH) 2 8H2O+ 2e = Sr + 2OH + 8H2O一 2.88Mg(II) -(0)Mg(OH) 2+

23、2e = Mg + 2OH-2.690Be(II) (0)Be2O32 + 3H2O+ 4e = 2Be+ 6OH一 2.63Hf(IV) (0)HfO(OH) 2+ H2O + 4e = Hf + 4OH一 2.50Zr(IV) - (0)H2ZrO 3 + H2O + 4e = Zr + 4OH一 2.36Al(III) (0)H2AlO3 + H2O+ 3e = Al + OH一 2.33P(I) -(0)H2PO2 + e = P+ 2OH一1.82B(III) (0)H2BO3 + H2O+ 3e = B+ 4OH一1.79P(III) -(0)HPO32 + 2H2O+ 3e =

24、P+ 5OH一1.71Si(IV) (0)SiO32 + 3H2O+ 4e = Si + 6OH1.697P(III) - (I)-2-HPO3 + 2H2O+ 2e = H2PO2 + 3OH一 1.65Mn(II) (0)Mn(OH) 2+ 2e = Mn + 2OH一 1.56Cr(III) (0)Cr(OH) 3+ 3e = Cr+ 3OH一1.48*Zn(II) (0)Zn(CN) 42 + 2e = Zn+ 4CN一1.26Zn(II) (0)Zn(OH)2 + 2e = Zn+ 2OH1.249Ga(III) - (0)H2GaO3 + H2O+ 2e = Ga+ 4OH1.21

25、9Zn(II) (0)2 ZnO2 + 2H2O+ 2e = Zn + 4OH-1.215Cr(III) (0)CrO2 + 2H2O + 3e = Cr + 4OH一1.2Te(0) (-I)Te+ 2e = Te2-1.143P(V) -(III)PO43 + 2H2O + 2e = HPO32 + 3OH-1.05*Zn(II) (0)Zn(NH 3)42+ 2e = Zn + 4NH3一1.04*W(VI) (0)WO42 + 4H2O + 6e = W + 8OH-1.01* _Ge(IV) (0)HGeO3 + 2H2O+ 4e = Ge+ 5OH一1.0Sn(IV) (II)Sn

26、(OH) 6 2 + 2e = HSnO2 + H2O+ 3OH-0.93S(VI) (IV)2 2一一SO4 + H2O + 2e = SO3 + 2OH-0.93Se(0)(-II)Se+ 2e = Se20.924Sn(II) - (0)HSnO2 + H2O+ 2e = Sn+ 3OH0.909P(0) ( III)P+ 3H2O+ 3e = PH3(g) + 3OH-0.87N(V) (IV)2NO3 + 2H2O+ 2e = N2O4 + 4OH-0.85H(I) -(0)2H2O+ 2e = H2 + 2OH0.8277Cd(II) (0)Cd(OH)2 + 2e = Cd(Hg

27、) + 2OH0.809Co(II) (0)Co(OH)2+ 2e = Co+ 2OH-0.73Ni(II) - (0)Ni(OH) 2 + 2e = Ni + 2OH一 0.72As(V) (III)_ 3-AsO4 + 2H2O+ 2e = AsO2 + 4OH-0.71Ag(I) -(0)Ag2S+ 2e = 2Ag + S2-0.691As(III) (0)AsO2 + 2H 2O + 3e = As + 4OH-0.68Sb(III) (0)SbO2 + 2H2O+ 3e = Sb+ 4OH-0.66*Re(VII) (IV)ReO4 + 2H2O+ 3e = ReO2 + 4OH-

28、0.59* 一Sb(V) (III)SbO3 + H2O+ 2e = SbO2 + 2OH-0.59Re(VII) (0)ReO4 + 4H2O+ 7e = Re+ 8OH0.584* 一S(IV) -(II)2SO32 + 3H2O + 4e = S2O32 + 6OH-0.58Te(IV) (0)TeO32 + 3H2O + 4e = Te+ 6OH-0.57Fe(III) (II)Fe(OH)3 + e = Fe(OH)2+ OH一 0.56S(0) (-II)S+ 2e = S20.47627Bi(III) (0)Bi2O3 + 3H2O+ 6e = 2Bi + 6OH一 0.46N(

29、III) (II)NO2 + H2O+ e = NO + 2OH一 0.46* 一一Co(II) C(0)Co(NH3)62 + 2e = Co + 6NH30.422Se(IV) (0)SeO32 + 3H2O + 4e = Se+ 6OH0.366Cu(I) -(0)Cu2O + H2O + 2e = 2Cu + 2OH0.360Tl(I) -(0)Tl(OH) + e = Tl + OH一 0.34*Ag(I) -(0)Ag(CN) 2 + e = Ag + 2CN一 0.31Cu(II) (0)Cu(OH)2+ 2e = Cu+ 2OH0.222Cr(VI) (III)CrO42 +

30、4H2O+ 3e = Cr(OH) 3+ 5OH一 0.13* 一Cu(I) -(0)Cu(NH 3)2 + e = Cu + 2NH 3一 0.12O(0) (- I)。2+ H2O+ 2e = HO2 + OH0.076Ag(I) -(0)AgCN + e = Ag+ CN 0.017N(V) (III)NO3 + H2O+ 2e = NO2 + 2OH0.01Se(VI) (IV)SeO42 + H2O + 2e = SeO32 + 2OH0.05Pd(II) (0)Pd(OH) 2 + 2e = Pd + 2OH0.07S(II,V) (II)S4O6? + 2e = 2S2O320.08Hg(II) -(0)HgO+ H2O+ 2e = Hg+ 2OH0.0977Co(III) (II)Co(NH 3)63+ + e = Co(NH 3)62+0