标准电极电势表

1、附录八标准电极电势(298.16K)1.在酸性溶液中电极反应EtV电极反应E切Ag" + e= Ag0.799 6Cd21 + 2e = Cd(Hg)-0.352 1Ag2+ e = Ag1.980Ce3+ + 3e = Ce-2.483AgAc + e =Ag+Ac0.643Cl2(g) + 2e = 2Cl1.35827AgBr + e = Ag + Br0.071 33HClO + H + e = 1/2Cl2+ 也。1.611Ag2BrO3+ e = 2Ag + BrOa0.546HClO + H + 2e = Cl + H2O1.482Ag2CQ4+ 2e = 2Ag +

2、C2O4 0.464 7ClO2+ H + e = HClO21.277AgCl + e = Ag+ Cl0.22233HClO 2+ 2H + + 2e = HClO + H2O1.645Ag2 CO3+ 2e = 2Ag + CO 3-0.47HClO2+ 3H + 3e = 1/2Cl2+ 2H2O1.628AgzCrO 4+ 2e = 2Ag + CrO4 0.447 0HCQ2+ 3H *+ 4e = Cl + 2H2O1.570AgF+ e = Ag + F0.779ClO J 2H + + e = ClO2 + H2O1.152Ag I + e = Ag + I-0.152 24

3、ClO3H *+ 2e = HClO 2+ H2O1.214Ag2S+ 2H+2e = 2Ag + H2S-0.036 6ClO 马 6H + 5e = 1/2Cl2 + 3H2O1.47AgSCN + e = Ag + SCN0.089 51ClO 6H+ + 6e = Cl + 3H2O1.451Ag?SO4 + 2e = 2Ag + SO：0.654ClOn 2H'+ 2e = ClO3 + H2O1.189Al3* +3e =Al-1.662AlF 6-3e =Al+6F-2.069+ z ClO 8H + 7e = 1/2C& + 4H2 O1.39AS2O3+6H*

4、 +6e=2As+3H 2O0.234HASO2+3H+ +3e=As+2H 2O0.248ClO T 8H+ + 8e = Cl + 4H2O1.389+ H3ASO4+2H +2e =HAsO2+2H2O0.560Co2+ + 2e = Co-0.28Au +e =Au1.692Co3+ + e= Co2+ (2mol L H2SO4)1.83Au3+3 e =Au1.498CO2 + 2H + + 2e = HCOOH-0.199AuCl4 + 3e = Au + 4Cl1.002Cr2+ + 2e = Cr-0.913Au3* + 2e" = Au +1.401Cr3+ +

5、e = Cr2+-0.407H3BO3 + 3H + + 3e = B + 3H 2O-0.869 8Cr3+ + 3e = Cr-0.744Ba2+ + 2e = Ba-2.912Cr2O 14H+ + 6e = 2Cr3+ + 7H2O1.232Ba2+ + 2e = Ba(Hg)-1.570HCrO4 + 7H + + 3e = Cr3+ + 4H2O1.3502Be2 + 2e = Be-1.847Cu+ + e = Cu0.521BiCl-4+ 3e = Bi + 4Cl0.16Cu2+ + e = Cu+0.153Bi2O4 + 4H + + 2e = 2BiO + + 2HQ1.

6、593Cu2+ + 2e = Cu0.341 9BiO + + 2H+ + 3e = Bi + H2O0.320CuCl + e = Cu + Cl0.124BiOCl + 2H + + 3e = Bi + Cl + 也。0.158 3F2 + 2H + + 2e- = 2HF3.053 B2(aq)+ 2e = 2Br1.087 3一 -F2 + 2e = 2F2.866Br2(l) + 2e = 2Br -1.066Fe2+ + 2e = Fe-0.447HBrO + H+ + 2e = Br + H2O1.331Fe3+ + 3e = Fe-0.037HBrO + H+ + e= l/2

7、Br2(aq) + H2O1.574Fe3+ + e= Fe2+0.771HBrO + H+ + e= l/2Br2(l) + H2O1.596Fe(CN)6+ e = Fe(CN"广0.358BrO 3 6H + + 5e- = l/2Br 2+ 3志01.482FeOi + 8H+ + 3e = Fe + 4H2O2.20_. + - - -.BrO，T6H + 6e = Br + 3HQ1.423Ga3+3e =Ga-0.560Ca2+ + 2e = Ca-2.8682H + + 2e = H20.00000Cd2+ 2e = Cd-0.4030H2(g) + 2e = 2H-

8、2.23CdSO4 + 2e = Cd+SO； -0.246HO2+ H+ + e = H2O21.495电极反应E加电极反应E印H2O2 + 2H + 2e = 2H2O1.776O2+ 4H + 4e = 2H2O1.229Hg2 + 2e = Hg0.851O(g) + 2H + 2e = H2O2.4212Hg' + 2e = Hg 2，0.920O3+ 2H ' + 2e = O2+ H2O2.076Hg2, + 2e = 2Hg0.797 3P(red) + 3H + 3e = PH3(g)-0.111Hg2Br2 + 2e = 2Hg + 2Br0.139 23P

9、(white) + 3H + 3e = PH3(g) T= -0.063zHg2Cl2+ 2e = 2Hg+ 2Cl0.268 08H3PO2 + H + e = P+ 2H2O-0.508Hg2l2+ 2e = 2Hg+ 2I-0.040 5H3PO3 + 2H + 2e = H3P6+ H2O-0.499Hg2SO4 + 2e = 2Hg + SO2_0.612 5H3PO3 +3H + 3e = P+ 3H2O-0.454I2 + 2e = 2I0.535 5H3PO4 + 2H + 2e = H3PO3 + H2O-0.276I3 - + 2e- = 30.536Pb" +

10、2e - = Pb-0.126 2H5IO6+ H + 2e = IO3 + 3H2O1.601PbBr2 + 2e = Pb+ 2Br-0.2842HIO + 2H + 2e = I2 + 2H2O1.439PbCl2 + 2e = Pb+ 2Cl-0.267 5HIO+ H * + 2e = I + H2O0.987PbF2 + 2e = Pb+ 2F-0.344 42IO3 + 12H + 10e = I2 + 6H2O1.195PbI2 + 2e = Pb+2I-0.365IO 3+ 6H + 6e = I + 3H2O1.085PbO2+ 4H + 2e = Pb + 2HQ1.45

11、5In + 2e = In-0.443PbO2+ SO 2- + 4H + 2e = PbSQ + 2*01.691 3I" + 3e = In-0.338 2PbSO4 + 2e = Pb+ SO 2-0.358 8Ir 3 + + 3e = Ir1.159Pd2 + + 2e = Pd0.951K + e = K-2.931PdCl 2- + 2e = Pd+4Cl0.591La * + 3e = La-4.544Pt'* + 2e = Pt1.118Li十 + e= Li-3.040 1Rb* + e = Rb-2.982 -rMg + 2e = Mg-2.372J -

12、rRe + 3e = Re0.300Mn + 2e = Mn-1.185S+ 2H+ + 2e = H2S(aq)0.142Mn ' + e" = Mn "1.5415S2O ；_+ 4H* + 2e = 2H2SO30.564MnO2+ 4H* + 2e = Mn " + 2H2O1.224S2O；_+ 2e = 2SO4-2.010Mn。4 + e = MnO 4-0.558S2O8_+ 2H + + 2e = 2HSO 42.123Mn O4 + 4H + + 3e = MnO 2 + 201.6792H2SO3+ H+ + 2e = H2SO4 +

13、 2H20-0.056Mn O4 + 8H+ + 5e = Mn2,+ 4H2O1.507H 2SO3 + 4H + 4e = S+ 3H2O0.449MO" + 3e = MO-0.200SO 2- + 4H+ + 2e = H2SO3 + H2O0.172N2 + 2H2O+ 6H + + 6e = 2NH4OH0.0922SO 2-+ 4H + + 2e = S2O 6 J 2H2O-0.223N2 + 2H + + 2e= 2NH3(aq)-3.09Sb+ 3H + + 3e = 2SbH3-0.510_ + . _ - . . _N2O+ 2H +2e = N2+ H2O1

14、.766Sb2O3+ 6H+ + 6e = 2Sb+ 3H2O0.152N2O4 + 2e = 2NO20.867Sb2O5+ 6H+ + 4e = 2SbO+ + 3H2O0.581N2O4 + 2H + + 2e = 2HNO21.065SbO+ + 2H + + 3e = Sb+ H2O0.212+ -一 一一 -.N2O4 + 4H + 4e = 2NO + 2HQ1.035Sc3, + 3e = Sc-2.0772NO + 2H + + 2e = N2O+ H2O1.591Se+ 2H + + 2e = H2Se(aq)-0.399HNO2+ H+ + e = NO+ H2O0.98

15、3H 2SeO3 + 4H + + 4e = Se+ 3H 2O0.742HNO2+ 4H + 4e = N2O + 3H2O1.297SeO42 + 4H + + 2e = H 2SeC3 + 志。1.151NO 3h 3H + 2e = HNO 2+ H2O0.934SiF 6 h 4e = Si + 6F-1.24NO 厂+ 4H + + 3e = NO + 2H2O0.957(quartz)SiO2 + 4H+ + 4e = Si+ 2志00.8572NO 3+ 4H+ + 2e = N2O4 + 200.803Sn + 2e = Sn-0.137 5+ . - Na + e = Na

16、-2.71Sn + 2e = Sn20.151Nb3+ + 3e = Nb-1.1Sr+ + e = Sr-4.10Ni2+ + 2e = Ni-0.257Sr2, + 2e = Sr-2.89NiO2 + 4H + + 2e = Ni* + 2出。1.678Sr2, + 2e = Sr(Hg)-1.793O2 + 2H + + 2e = H2O20.695Te+ 2H + + 2e = H?Te-0.793电极反应"E0V-电极反应E5vTe4+ + 4e = Te0.568V3+ + e = V2+-0.255+ 一 一TeC2 + 4H + 4e = Te+ 2H2O0.593

17、VO2+ + 2H * + e= V3+ H2O0.337TeO4 + 8H * + 7e = Te+ 4项0.472VO 2 2H + e = VO2+ + H2O0.991HdTeOs + 2H + 2e = TeQ + 4 H2O1.02V(OH) rH 2H'+ e = VO2+ + 3HQ1.00Th4+ + 4e- = Th-1.899V(OH) 4廿 4H+ + 5e = V + 4H2O-0.254Ti2* + 2e= Ti-1.630W2O5 + 2H+ + 2e =2WO2+ H2O-0.031Ti3+ + e= Ti2+-0.368WO2 + 4H+ + 4e=W

18、 + 2H2O-0.119TiO2+ + 2H + + e = Ti3+ + H2O0.099WO3+ 6H+ + 6e=W + 3H2O-0.090TiO2 + 4H + + 2e = Ti2 + + 2H2O-0.5022WO3+2H+ + 2e =W2O5+ 也。-0.029t+ e = ti-0.336Y3+ + 3e = Y-2.37V2+ + 2e = V-1.175Zn2 + + 2e = Zn-0.761 81.在碱性溶液中电极反应E珈电极反应E国AgCN + e = Ag+ CN-0.017Cu(OH) 2+ 2e = Cu + 2OH-0.222Ag(CN) 2 + e =

19、 Ag + 2CN-0.312Cu(OH)2 + 2e = Cu2O+ 2OH + H2O-0.080Ag2O + H2O + 2e = 2Ag + 2OH0.342Fe(CN)63 日 e = Fe(CN)64 -0.3582AgO + H2O+ 2e = Ag2O + 2OH0.607Fe(OH)3+ e = Fe(OH)2 + OH-0.56Ag?S + 2e = 2Ag + S-0.691H2GaO3 + H2O + 3e = Ga+4OH-1.219H2AIO3 - + H2O+ 3e = Al + 4OH-2.332H2O+ 2e = H2+ 2OH-0.827 7As 62H2O

20、 + 3e = As + 4OH-0.68Hg2O+ H2O + 2e = 2Hg + 2OH0.123As。：】2H2O + 2e = As。 4OH-0.71HgO+ H2O+ 2e = Hg + 2OH0.097 7H2BO，T5H2O+ 8e = BH4 + 8OH-1.24H3I。？ + 2e = IO3 + 3OH0.7H2BOr H2O + 3e = B + 4OH-1.79IO + H2O + 2e = I + 2OH0.485Ba(OH) 2 + 2e = Ba+ 2OH-2.99IO3 + 2H2O+ 4e = IO + 4OH0.15Be2 O324 3H2O+ 4e =

21、 2Be+ 6OH-2.63IO3 + 3H2O+ 6e = I + 6OH0.26Bi2O3+ 3H2O+ 6e = 2Bi + 6OH-0.46Ir2O3+ 3H2O + 6e = 2Ir + 6OH0.098BrO + H2O + 2e = Br + 2OH0.761La(OH) 3+ 3e = La + 3OH-2.90Brd 3H2O+ 6e = Br + 6OH0.61Mg(OH) 2 + 2e = Mg + 2OH-2.690Ca(OH) 2 + 2e = Ca+ 2OH-3.02MnO 4 + 2H2。+ 3e = MnO 2 + 4OH0.595Ca(OH)2 + 2e =

22、Ca(Hg) + 2OH-0.809Mn o2i2H2O+ 2e = MnO2+ 4OH0.60CIO + H2O + 2e = Cl + 2OH0.81Mn(OH) 2 + 2e = Mn + 2OH-1.56Cl d H2O + 2e = CIO + 2OH0.66Mn(OH)3 + e= Mn(OH) 2 + OH0.15Cl d 2H2O+ 4e = Cl + 4OH0.762NO + H2O+ 2e = N2O + 2OH0.76Cl H2O + 2e = Cl oT 2OH0.33NO + H2O+ e = NO + 2OH-0.46Cl o，i 3H2O+ 6e = Cl + 6

23、OH0.622NO2 + 2H2O+ 4e = " 4OH-0.18Cl ol H2O + 2e = Cl oi 2OH0.362N。13H2O+ 4e = N2O+ 6OH0.15Co(NH 3)63* + e- = Co(NH 3J2+0.108N d H2O+ 2e = NO2 + 2OH0.01Co(OH) 2+ 2e = Co + 2OH-0.732N d2H2O+ 2e = N2O4+ 4OH-0.85Co(OH)3+ e= Co(OH" + OH0.17Ni(OH) 2 + 2e = Ni + 2OH-0.72Cr d 2H2O+ 3e = Cr+ 4OH-1

24、.2NiO2 + 2H2O + 2e = Ni(OH) 2 + 2OH-0.490Cro214H2O + 3e = Cr(OH) 3+ 5OH-0.13O2 + H2O + 2e = HO2 + OH-0.076Cr(OH)3 + 3e = Cr+ 3OH-1.48O2 + 2H2O+ 2e = H2O2 + 2OH-0.146Cu2 + 2CN + e = Cu(CN)21.103O2 + 2H2O+ 4e = 4OH0.401Cu(CN) 2 + e = Cu + 2CN-0.429O3+ H2O + 2e = O2 + 2OH1.24CU2O + H2O + 2e = 2Cu + 2OH-0.360HO2 + H2O + 2e = 3OH0.878电极反应E印电极反应Et/VP+ 3H2O + 3e = PH3(g) + 3OH-0.872So33 3H2O+ 4e = S2O3 J 6OH-0.571H2PO2 + e = P+ 2OH-1.82So2H2O+ 2e = SO 2OH-0.93HPo3 2H2O+ 2e