標(biāo)準(zhǔn)電極電勢_圖文

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-(0Li+e-=Li-3.0401 Cs(I-(0Cs+e-=Cs-3.026 Rb(I-(0Rb+e-=Rb-2.98 K(I-(0K+e-=K-2.931 Ba(II-(0Ba2+2e-=Ba-2.912 Sr(II-(0Sr2+2e-=Sr-2.89 Ca(II-(0Ca2+2e-=Ca-2.868 Na(I-(0Na+e-=Na-2.71 La(III-(0La3+3e-=La-2.379 Mg(II-(0Mg2+2e-=Mg

2、-2.372 Ce(III-(0Ce3+3e-=Ce-2.336 H(0-(-IH2(g+2e-=2H-2.23 Al(III-(0AlF63-+3e-=Al+6F-2.069 Th(IV-(0Th4+4e-=Th-1.899 Be(II-(0Be2+2e-=Be-1.847 U(III-(0U3+3e-=U-1.798 Hf(IV-(0HfO2+2H+4e-=Hf+H2O-1.724 Al(III-(0Al3+3e-=Al-1.662 Ti(II-(0Ti2+2e-=Ti-1.630 Zr(IV-(0ZrO2+4H+4e-=Zr+2H2O-1.553 Si(IV-(0SiF62-+4e-=S

3、i+6F-1.24 Mn(II-(0Mn2+2e-=Mn-1.185 Cr(II-(0Cr2+2e-=Cr-0.913 Ti(III-(IITi3+e-=Ti2+-0.9B(III-(0H3BO3+3H+3e-=B+3H2O-0.8698 *Ti(IV-(0TiO+4H+4e-=Ti+2H2O-0.862Te(0-(-IITe+2H+2e-=H2Te-0.793 Zn(II-(0Zn2+2e-=Zn-0.7618 Ta(V-(0Ta2O5+10H+10e-=2Ta+5H2O-0.750 Cr(III-(0Cr3+3e-=Cr-0.744 Nb(V-(0Nb2O5+l0H+10e-=2Nb+5H

4、2O-0.644 As(0-(-IIIAs+3H+3e-=AsH3-0.608 U(IV-(IIIU4+e-=U3+-0.607 Ga(III-(0Ga3+3e-=Ga-0.549 P(I-(0H3PO2+H+e-=P+2H2O-0.508 P(III-(IH3PO3+2H+2e-=H3PO2+H2O-0.499 *C(IV-(III2CO+2H+2e-=H2C2O4-0.492Fe(II-(0Fe2+2e-=Fe-0.447 Cr(III-(IICr3+e-=Cr2+-0.407Cd(II-(0Cd2+2e-=Cd-0.4030 Se(0-(-IISe+2H+2e-=H2Se(aq-0.39

5、9 Pb(II-(0PbI2+2e-=Pb+2I-0.365 Eu(III-(IIEu3+e-=Eu2+-0.36 Pb(II-(0PbSO4+2e-=Pb+SO42-0.3588 In(III-(0In3+3e-=In-0.3382 Tl(I-(0Tl+e-=Tl-0.336 Co(II-(0Co2+2e-=Co-0.28P(V-(IIIH3PO4+2H+2e-=H3PO3+H2O-0.276 Pb(II-(0PbCl2+2e-=Pb+2Cl-0.2675 Ni (II-(0Ni2+2e-=Ni-0.257 V(III-(IIV3+e-=V2+-0.255 Ge(IV-(0H2GeO3+4H

6、+4e-=Ge+3H2O-0.182 Ag(I-(0AgI+e-=Ag+I-0.15224 Sn(II-(0Sn2+2e-=Sn-0.1375 Pb(II-(0Pb2+2e-=Pb-0.1262 *C(IV-(IICO(g+2H+2e-=CO+H2O-0.122P(0-(-IIIP(white+3H+3e-=PH3(g-0.063 Hg(I-(0Hg2I2+2e-=2Hg+2I-0.0405 Fe(III-(0Fe3+3e-=Fe-0.037 H(I-(02H+2e-=H20.0000 Ag(I-(0AgBr+e-=Ag+Br-0.07133 S(II.V-(IIS4O62-+2e-=2S2O

7、32-0.08*Ti(IV-(IIITiO2+2H+e-=Ti3+HO0.12S(0-(-IIS+2H+2e-=H2S(aq0.142Sn(IV-(IISn4+2e-=Sn2+0.151Sb(III-(0Sb2O3+6H+6e-=2Sb+3H2O0.152Cu(II-(ICu2+e-=Cu+0.153Bi(III-(0BiOCl+2H+3e-=Bi+Cl-+H2O0.1583S(VI-(IVSO42-+4H+2e-=H2SO3+H2O0.172Sb(III-(0SbO+2H+3e-=Sb+H2O0.212Ag(I-(0AgCl+e-=Ag+Cl-0.22233 As(III-(0HAsO2+3

8、H+3e-=As+2H2O0.248Hg(I-(0Hg2Cl2+2e-=2Hg+2Cl-(飽和KCl0.26808 Bi(III-(0BiO+2H+3e-=Bi+H2O0.320U(VI-(IVUO22+4H+2e-=U4+2H2O0.327C(IV-(III2HCNO+2H+2e-=(CN2+2H2O0.330V(IV-(IIIVO2+2H+e-=V3+H2O0.337Cu(II-(0Cu2+2e-=Cu0.3419 Re(VII-(0ReO4-+8H+7e-=Re+4H2O0.368Ag(I-(0Ag2CrO4+2e-=2Ag+CrO42-0.4470S(IV-(0H2SO3+4H+4e-

9、=S+3H2O0.449Cu(I-(0Cu+e-=Cu0.521I(0-(-II2+2e-=2I-0.5355I(0-(-II3-+2e-=3I-0.536As(V-(IIIH3AsO4+2H+2e-=HAsO2+2H2O0.560 Sb(V-(IIISb2O5+6H+4e-=2SbO+3H2O0.581 Te(IV-(0TeO2+4H+4e-=Te+2H2O0.593 U(V-(IVUO2+4H+e-=U4+2H2O0.612 *Hg(II-(I2HgCl+2e-=Hg2Cl2+2Cl-0.632Pt(IV-(IIPtCl62-+2e-=PtCl42-+2Cl-0.68 O(0-(-IO2+

10、2H+2e-=H2O20.695 Pt(II-(0PtCl42-+2e-=Pt+4Cl-0.755 *Se(IV-(0HSeO3+4H+4e-=Se+3H2O0.742Fe(III-(IIFe3+e-=Fe2+0.771 Hg(I-(0Hg22+2e-=2Hg0.7973 Ag(I-(0Ag+e-=Ag0.7996 Os(VIII-(0OsO4+8H+8e-=Os+4H2O0.8N(V-(IV 2NO3-+4H+2e-=N2O4+2H2O 0.803 Hg(II-(0Hg2+2e-=Hg0.851 Si(IV-(0(quartzSiO2+4H+4e-=Si+2H2O0.857 Cu(II-(I

11、Cu2+I-+e-=CuI0.86 N(III-(I2HNO2+4H+4e-=H2N2O2+2H2O0.86 Hg(II-(I2Hg2+2e-=Hg22+0.920 N(V-(IIINO3-+3H+2e-=HNO2+H2O0.934 Pd(II-(0Pd2+2e-=Pd0.951 N(V-(IINO3-+4H+3e-=NO+2H2O0.957 N(III-(IIHNO2+H+e-=NO+H2O0.983 I(I-(-IHIO+H+2e-=I-+H2O0.987 V(V-(IVVO2+2H+e-=VO2+H2O0.991 V(V-(IVV(OH4+2H+e-=VO2+3H2O 1.00 Au(I

12、II-(0 AuCl4-+3e-=Au+4Cl- 1.002 Te(VI-(IVH6TeO6+2H+2e-=TeO2+4H2O 1.02 N(IV-(IIN2O4+4H+4e-=2NO+2H2O 1.035 N(IV-(IIIN2O4+2H+2e-=2HNO2 1.065 I(V-(-IIO3-+6H+6e-=I-+3H2O 1.085 Br(0-(-IBr2(aq+2e-=2Br- 1.0873 Se(VI-(IVSeO42-+4H+2e-=H2SeO3+H2O 1.151 Cl(V-(IVClO3-+2H+e-=ClO2+H2O 1.152 Pt(II-(0Pt2+2e-=Pt 1.18

13、Cl(VII-(VClO4-+2H+2e-=ClO3-+H2O 1.189 I(V-(02IO3-+12H+10e-=I2+6H2O 1.195 Cl(V-(IIIClO3-+3H+2e-=HClO2+H2O 1.214 Mn(IV-(IIMnO2+4H+2e-=Mn2+2H2O 1.224 O(0-(-IIO2+4H+4e-=2H2O 1.229 Tl(III-(IT13+2e-=Tl+ 1.252 Cl(IV-(IIIClO2+H+e-=HClO2 1.277 N(III-(I2HNO2+4H+4e-=N2O+3H2O 1.297 *Cr(VI-(IIICrO72-+14H+6e-=2Cr

14、3+7H2O 1.332Br(I-(-IHBrO+H+2e-=Br-+H2O 1.331Cr(VI-(IIIHCrO4-+7H+3e-=Cr3+4H2O 1.350Cl(0-(-ICl2(g+2e-=2Cl- 1.35827 Cl(VII-(-IClO4-+8H+8e-=Cl-+4H2O 1.389Cl(VII-(0ClO4-+8H+7e-=1/2Cl2+4H2O 1.39Au(III-(IAu3+2e-=Au+ 1.401Br(V-(-IBrO3-+6H+6e-=Br-+3H2O 1.423I(I-(02HIO+2H+2e-=I2+2H2O 1.439Cl(V-(-IClO3-+6H+6e-

15、=Cl-+3H2O 1.451 Pb(IV-(IIPbO2+4H+2e-=Pb2+2H2O 1.455Cl(V-(0ClO3-+6H+5e-=1/2Cl2+3H2O 1.47Cl(I-(-IHClO+H+2e-=Cl-+H2O 1.482Br(V-(0BrO3-+6H+5e-=l/2Br2+3H2O 1.482 Au(III-(0Au3+3e-=Au 1.498 Mn(VII-(IIMnO4-+8H+5e-=Mn2+4H2O 1.507 Mn(III-(IIMn3+e-=Mn2+ 1.5415 Cl(III-(-IHClO2+3H+4e-=Cl-+2H2O 1.570Br(I-(0HBrO+H

16、+e-=l/2Br2(aq+H2O 1.574N(II-(I2NO+2H+2e-=N2O+H2O 1.591I(VII-(VH5IO6+H+2e-=IO3-+3H2O 1.601Cl(I-(0HClO+H+e-=1/2Cl2+H2O 1.611Cl(III-(IHClO2+2H+2e-=HClO+H2O 1.645Ni(IV-(IINiO2+4H+2e-=Ni2+2H2O 1.678 Mn(VII-(IVMnO4-+4H+3e-=MnO2+2H2O 1.679 Pb(IV-(IIPbO2+SO42-+4H+2e-=PbSO4+2H2O 1.6913 Au(I-(0Au+e-=Au 1.692

17、Ce(IV-(IIICe4+e-=Ce3+ 1.72N(I-(0N2O+2H+2e-=N2+H2O 1.766O(-I-(-IIH2O2+2H+2e-=2H2O 1.776 Co(III-(IICo3+e-=Co2+(2mol·L-1 H2SO4 1.83Ag(II-(IAg2+e-=Ag+ 1.980S(VII-(VI S2O82-+2e-=2SO42- 2.010O(0-(-IIO3+2H+2e-=O2+H2O 2.076O(II-(-IIF2O+2H+4e-=H2O+2F- 2.153 Fe(VI-(IIIFeO42-+8H+3e-=Fe3+4H2O 2.20O(0-(-IIO

18、(g+2H+2e-=H2O 2.421F(0-(-IF2+2e-=2F- 2.866F2+2H+2e-=2HF 3.0532 在堿性溶液中(298K電對方程式E /V Ca(II-(0Ca(OH2+2e-=Ca+2OH-3.02 Ba(II-(0Ba(OH2+2e-=Ba+2OH-2.99 La(III-(0La(OH3+3e-=La+3OH-2.90 Sr(II-(0Sr(OH2·8H2O+2e-=Sr+2OH-+8H2O-2.88 Mg(II-(0Mg(OH2+2e-=Mg+2OH-2.690Be(II-(0 Be 2O 32-+3H 2O +4e -=2Be +6OH -2.6

19、3 Hf(IV-(0 HfO(OH2+H 2O +4e -=Hf +4OH -2.50 Zr(IV-(0 H 2ZrO 3+H 2O +4e -=Zr +4OH -2.36 Al(III-(0 H 2AlO 3-+H 2O +3e -=Al +OH -2.33 P(I-(0 H 2PO 2-+e -=P +2OH -1.82B(III-(0 H 2BO 3-+H 2O +3e -=B +4OH -1.79 P(III-(0 HPO 32-+2H 2O +3e -=P +5OH -1.71 Si(IV-(0 SiO 32-+3H 2O +4e -=Si +6OH -1.697P(III-(I H

20、PO 32-+2H 2O +2e -=H 2PO 2-+3OH -1.65 Mn(II-(0 Mn(OH2+2e -=Mn +2OH -1.56 Cr(III-(0Cr(OH3+3e -=Cr +3OH -1.48*Zn(II-(0 Zn(CN42-+2e -=Zn +4CN -1.26 Zn(II-(0 Zn(OH2+2e -=Zn +2OH -1.249Ga(III-(0 H 2GaO 3-+H 2O +2e -=Ga +4OH -1.219 Zn(II-(0 ZnO 22-+2H 2O +2e -=Zn +4OH -1.215 Cr(III-(0 CrO 2-+2H 2O +3e -=C

21、r +4OH -1.2 Te(0-(-I Te +2e -=Te 2-1.143P(V-(IIIPO 43-+2H 2O +2e -=HPO 32-+3OH -1.05 *Zn(II-(0 Zn(NH 342+2e -=Zn +4NH 3-1.04 *W(VI-(0WO 42-+4H 2O +6e -=W +8OH -1.01 *Ge(IV-(0 HGeO 3-+2H 2O +4e -=Ge +5OH -1.0Sn(IV-(II Sn(OH62-+2e -=HSnO 2-+H 2O +3OH -0.93 S(VI-(IV SO 42-+H 2O +2e -=SO 32-+2OH -0.93 S

22、e(0-(-II Se +2e -=Se 2-0.924Sn(II-(0 HSnO 2-+H 2O +2e -=Sn +3OH -0.909 P(0-(-III P +3H 2O +3e -=PH 3(g+3OH -0.87N(V-(IV 2NO 3-+2H 2O +2e -=N 2O 4+4OH -0.85 H(I-(0 2H 2O +2e -=H 2+2OH -0.8277Cd(II-(0 Cd(OH2+2e -=Cd(Hg+2OH -0.809 Co(II-(0 Co(OH2+2e -=Co +2OH -0.73 Ni(II-(0 Ni(OH2+2e -=Ni +2OH -0.72As(

23、V-(III AsO 43-+2H 2O +2e -=AsO 2-+4OH -0.71 Ag(I-(0 Ag 2S +2e -=2Ag +S 2-0.691As(III-(0 AsO 2-+2H 2O +3e -=As +4OH -0.68 Sb(III-(0SbO 2-+2H 2O +3e -=Sb +4OH -0.66*Re(VII-(IV ReO 4-+2H 2O +3e -=ReO 2+4OH -0.59 *Sb(V-(III SbO 3-+H 2O +2e -=SbO 2-+2OH -0.59 Re(VII-(0ReO 4-+4H 2O +7e -=Re +8OH -0.584*S(

24、IV-(II2SO 32-+3H 2O +4e -=S 2O 32-+6OH -0.58 Te(IV-(0 TeO 32-+3H 2O +4e -=Te +6OH -0.57 Fe(III-(II Fe(OH3+e -=Fe(OH2+OH -0.56 S(0-(-II S +2e -=S 2-0.47627Bi(III-(0 Bi 2O 3+3H 2O +6e -=2Bi +6OH -0.46 N(III-(IINO 2-+H 2O +e -=NO +2OH -0.46 *Co(II-C(0 Co(NH 362+2e -=Co +6NH 3-0.422Se(IV(0 Cu(I(0 Tl(I(0

25、 * SeO32 3H2O4e Se6OH Cu2OH2O2e 2Cu2OH Tl(OHe TlOH 0.366 0.360 0.34 0.31 0.222 Ag(I(0 Ag(CN2 e Ag2CN Cu(OH22e Cu2OH Cu(II(0 Cr(VI(III * CrO42 4H2O3e Cr(OH35OH Cu(NH32 e Cu2NH3 O2H2O2e HO2 OH AgCNe AgCN 0.13 0.12 0.076 0.017 0.01 Cu(I(0 O(0(I Ag(I(0 N(V(III Se(VI(IV Pd(II(0 S(II,V(II Hg(II(0 Co(III(II Pt(II(0 Co(III(II Pb(IV(II I(V(I Cl(V(III Ag(I(0 Fe(III(II Cl(VII(V * NO3 H2