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1、标准电极电势 可以用来计算化学电池或原电池的电化学势或电极电势。本表中所给出的电极电势以标准氢电极为参比电极，溶液中离子浓度为1mol/L，气体分压为 100kPa，温度为 298K。1234半反应Eo(V)Li+e-Li(s)-3.05 Rb+e-Rb(s)-2.98 K+e-K(s)-2.93 Cs+e-Cs(s)-2.92 Ba2+2e-Ba(s)-2.91 Sr2+2e-Sr(s)-2.89 Ra2+2e-Ra(s)-2.80 Ca2+2e-Ca(s)-2.76 Na+e-Na(s)-2.71 Mg2+2e-Mg(s)-2.38 Al(OH)4-+3e-Al(s)+4OH-2.33 A
2、l(OH)3+3e-Al(s)+3OH-2.31 H2+2e-2H-2.25 Ac3+3e-Ac(s)-2.20 Be2+2e-Be(s)-1.85 Al3+3e-Al(s)-1.66 Ti2+2e-Ti(s)-1.63 TiO(s)+2H+2e-Ti(s)+H2O-1.31 名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 8 页 -Ti2O3(s)+2H+2e-2TiO(s)+H2O-1.23 Ti3+3e-Ti(s)-1.21 Mn2+2e-Mn(s)-1.18 V2+2e-V(s)-1.13 Nb3+3e-Nb(s)-1.099 Sn(s)+4H+4e-SnH4(g)-1.
3、07 SiO2(s)+4H+4e-Si(s)+2H2O-0.91 B(OH)3(aq)+3H+3e-B(s)+3H2O-0.89 TiO2+2H+4e-Ti(s)+H2O-0.86 2 H2O+2e H2(g)+2 OH-0.83 Zn2+2e-Zn(s)-0.76 Cr3+3e-Cr(s)-0.74 Au(CN)2+e Au(s)+2 CN-0.60 PbO(s)+H2O+2e-Pb(s)+2OH-0.58 2TiO2(s)+2H+2e-Ti2O3(s)+H2O-0.56 Ga3+3e-Ga(s)-0.53 H3PO2(aq)+H+e-P(s)+2H2O-0.51 H3PO3(aq)+3H+
4、3e-P(s)+3H2O-0.50 H3PO3(aq)+2H+2e-H3PO2(aq)+H2O-0.50 Fe2+2e-Fe(s)-0.44 2CO2(g)+2H+2e HOOCCOOH(aq)-0.43 名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页，共 8 页 -Cr3+e-Cr2+-0.42 Cd2+2e-Cd(s)-0.40 PbSO4(s)+2e Pb(s)+SO42-0.36 GeO2(s)+2H+2e-GeO(s)+H2O-0.37 In3+3e-In(s)-0.34 Tl+e-Tl(s)-0.34 Ge(s)+4H+4e-GeH4(g)-0.29 Co2+2e Co(
5、s)-0.28 H3PO4(aq)+2H+2e-H3PO3(aq)+H2O-0.28 V3+e-V2+-0.26 Ni2+2e-Ni(s)-0.25 As(s)+3H+3e-AsH3(g)-0.23 MoO2(s)+4H+4e-Mo(s)+2H2O-0.15 Si(s)+4H+4e-SiH4(g)-0.14 Sn2+2e-Sn(s)-0.13 O2(g)+H+e-HO2?(aq)-0.13 Pb2+2e-Pb(s)-0.13 WO2(s)+4H+4e-W(s)+2H2O-0.12 CO2(g)+2H+2e-HCOOH(aq)-0.11 Se(s)+2H+2e-H2Se(g)-0.11 CO2(
6、g)+2H+2e-CO(g)+H2O-0.11 名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 8 页 -SnO(s)+2H+2e-Sn(s)+H2O-0.10 SnO2(s)+2H+2e-SnO(s)+H2O-0.09 WO3(aq)+6H+6e-W(s)+3H2O-0.09 P(s)+3H+3e-PH3(g)-0.06 HCOOH(aq)+2H+2e-HCHO(aq)+H2O-0.03 2H+2e-H2(g)0.0000 H2MoO4(aq)+6H+6e-Mo(s)+4H2O+0.11 Ge4+4e-Ge(s)+0.12 C(s)+4H+4e-CH4(g)+0.13 HCHO
7、(aq)+2H+2e-CH3OH(aq)+0.13 S(s)+2H+2e-H2S(g)+0.14 Sn4+2e-Sn2+0.15 Cu2+e-Cu+0.16 HSO4-+3H+2e-2H2O+SO2(aq)+0.16 SO42-+4H+2e-2H2O+SO2(aq)+0.17 SbO+2H+3e-Sb(s)+H2O+0.20 H3AsO3(aq)+3H+3e-As(s)+3H2O+0.24 GeO(s)+2H+2e-Ge(s)+H2O+0.26 Re3+3e-Re(s)+0.300 Bi3+3e-Bi(s)+0.32 VO2+2H+e-V3+0.34 名师资料总结-精品资料欢迎下载-名师精心整
8、理-第 4 页，共 8 页 -Cu2+2e-Cu(s)+0.34 Fe(CN)63-+e-Fe(CN)64-+0.36 O2(g)+2H2O+4e 4OH(aq)+0.40 H2MoO4+6H+3e-Mo3+0.43 CH3OH(aq)+2H+2e-CH4(g)+H2O+0.50 SO2(aq)+4H+4e-S(s)+2H2O+0.50 Cu+e-Cu(s)+0.52 CO(g)+2H+2e-C(s)+H2O+0.52 I2(s)+2e-2I-+0.54 I3-+2e-3I-+0.54 AuI4-+3e-Au(s)+4I-+0.56 H3AsO4(aq)+2H+2e-H3AsO3(aq)+H2
9、O+0.56 AuI2-+e-Au(s)+2I-+0.58 MnO4(aq)+2H2O+3e MnO2(s)+4OH(aq)+0.59 S2O32-+6H+4e-2S(s)+3H2O+0.60 H2MoO4(aq)+2H+2e-MoO2(s)+2H2O+0.65 O2(g)+2H+2e-H2O2(aq)+0.70 Tl3+3e-Tl(s)+0.72 H2SeO3(aq)+4H+4e-Se(s)+3H2O+0.74 Fe3+e-Fe2+0.77 Hg22+2e-2Hg(l)+0.80 名师资料总结-精品资料欢迎下载-名师精心整理-第 5 页，共 8 页 -Ag+e-Ag(s)+0.80 NO3(
10、aq)+2H+e-NO2(g)+H2O+0.80 AuBr4-+3e-Au(s)+4Br-+0.85 Hg2+2e-Hg(l)+0.85 MnO4-+H+e-HMnO4-+0.90 2Hg2+2e-Hg22+0.91 AuCl4-+3e-Au(s)+4Cl-+0.93 MnO2(s)+4H+e-Mn3+2H2O+0.95 AuBr2-+e-Au(s)+2Br-+0.96 Br2(l)+2e-2Br-+1.07 Br2(aq)+2e-2Br-+1.09 IO3-+5H+4e-HIO(aq)+2H2O+1.13 AuCl2-+e-Au(s)+2Cl-+1.15 HSeO4-+3H+2e-H2SeO
11、3(aq)+H2O+1.15 Ag2O(s)+2H+2e-2Ag(s)+1.17 ClO3-+2H+e-ClO2(g)+H2O+1.18 ClO2(g)+H+e-HClO2(aq)+1.19 2IO3-+12H+10e-I2(s)+6H2O+1.20 ClO4-+2H+2e-ClO3-+H2O+1.20 O2(g)+4H+4e-2H2O+1.23 MnO2(s)+4H+2e-Mn2+2H2O+1.23 名师资料总结-精品资料欢迎下载-名师精心整理-第 6 页，共 8 页 -Tl3+2e-Tl+1.25 Cl2(g)+2e-2Cl-+1.36 Cr2O72-+14H+6e-2Cr3+7H2O+1
12、.33 CoO2(s)+4H+e-Co3+2H2O+1.42 2HIO(aq)+2H+2e-I2(s)+2H2O+1.44 BrO3-+5H+4e-HBrO(aq)+2H2O+1.45 2BrO3-+12H+10e-Br2(l)+6H2O+1.48 2ClO3-+12H+10e-Cl2(g)+6H2O+1.49 MnO4-+8H+5e-Mn2+4H2O+1.51 HO2?+H+e-H2O2(aq)+1.51 Au3+3e-Au(s)+1.52 NiO2(s)+4H+2e-Ni2+1.59 2HClO(aq)+2H+2e-Cl2(g)+2H2O+1.63 Ag2O3(s)+6H+4e-2Ag+3
13、H2O+1.67 HClO2(aq)+2H+2e-HClO(aq)+H2O+1.67 Pb4+2e-Pb2+1.69 MnO4-+4H+3e-MnO2(s)+2H2O+1.70 H2O2(aq)+2H+2e-2H2O+1.78 AgO(s)+2H+e-Ag+H2O+1.77 Co3+e-Co2+1.82 Au+e-Au(s)+1.83 名师资料总结-精品资料欢迎下载-名师精心整理-第 7 页，共 8 页 -BrO4-+2H+2e-BrO3-+H2O+1.85 Ag2+e-Ag+1.98 S2O82-+2e 2SO42-+2.07 HMnO4-+3H+2e-MnO2(s)+2H2O+2.09 F2(g)+2e-2F-+2.87 F2(g)+2H+2e-2HF(aq)+3.05 名师资料总结-精品资料欢迎下载-名师精心整理-第 8 页，共 8 页 -