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1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流标准氧化还原电位表.精品文档.Standard electrode potential (data page)From Wikipedia, the free encyclopedia(Redirected from Table of standard electrode potentials)Jump to: navigation, searchMain article: standard electrode potentialThe values of standard electrode potentials are given in
2、the table below in volts relative to the standard hydrogen electrode and are for the following conditions: A temperature of 298.15 K (25 C); An effective concentration of 1 mol/L for each aqueous species or a species in a mercury amalgam; A partial pressure of 101.325 kPa (absolute) (1 atm, 1.01325
3、bar) for each gaseous reagent. This pressure is used because most literature data are still given for this value rather than for the current standard of 100 kPa. An activity of unity for each pure solid, pure liquid, or for water (solvent).Legend: (s) solid; (l) liquid; (g) gas; (aq) aqueous (defaul
4、t for all charged species); (Hg) amalgam.Half-reactionE (V)note 1Ref.&-9Zz9N32N2(g) + H+ + e HN3(aq)-3.09 3.0912Li+ + e Li(s)-3.0401 3.04012N2(g) + 4H2O + 2e 2NH2OH(aq) + 2OH-3.04 3.041Cs+ + e Cs(s)-3.026 3.0262Rb+ + e Rb(s)-2.98 2.982K+ + e K(s)-2.931 2.9312Ba2+ + 2e Ba(s)-2.912 2.9122La(OH)3(s) +
5、3e La(s) + 3OH-2.90 2.902Sr2+ + 2e Sr(s)-2.899 2.8992Ca2+ + 2e Ca(s)-2.868 2.8682Eu2+ + 2e Eu(s)-2.812 2.8122Ra2+ + 2e Ra(s)-2.8 2.82Na+ + e Na(s)-2.71 2.7123Sc3+ + 3e Sc(s)-2.077 2.0774La3+ + 3e La(s)-2.379 2.3792Y3+ + 3e Y(s)-2.372 2.3722Mg2+ + 2e Mg(s)-2.372 2.3722ZrO(OH)2(s) + H2O + 4e Zr(s) + 4
6、OH-2.36 2.362Al(OH)4 + 3e Al(s) + 4OH-2.33 2.33Al(OH)3(s) + 3e Al(s) + 3OH-2.31 2.31H2(g) + 2e 2H-2.25 2.25Ac3+ + 3e Ac(s)-2.20 2.20Be2+ + 2e Be(s)-1.85 1.85U3+ + 3e U(s)-1.66 1.665Al3+ + 3e Al(s)-1.66 1.663Ti2+ + 2e Ti(s)-1.63 1.633ZrO2(s) + 4H+ + 4e Zr(s) + 2H2O-1.553 1.5536Zr4+ + 4e Zr(s)-1.45 1.
7、456Ti3+ + 3e Ti(s)-1.37 1.377TiO(s) + 2H+ + 2e Ti(s) + H2O-1.31 1.31Ti2O3(s) + 2H+ + 2e 2TiO(s) + H2O-1.23 1.23Zn(OH)42 + 2e Zn(s) + 4OH-1.199 1.1996Mn2+ + 2e Mn(s)-1.185 1.1856Fe(CN)64 + 6H+ + 2 e Fe(s) + 6HCN(aq)-1.16 1.168Te(s) + 2e Te2-1.143 1.1439V2+ + 2e V(s)-1.13 1.139Nb3+ + 3e Nb(s)-1.099 1.
8、099Sn(s) + 4H+ + 4e SnH4(g)-1.07 1.07SiO2(s) + 4H+ + 4e Si(s) + 2H2O-0.91 0.91B(OH)3(aq) + 3H+ + 3e B(s) + 3H2O-0.89 0.89Fe(OH)2(s) + 2e Fe(s) + 2OH-0.89 0.898Fe2O3(s) + 3H2O + 2e 2Fe(OH)2(s) + 2OH-0.86 0.868TiO2+ + 2H+ + 4e Ti(s) + H2O-0.86 0.86H2H2O + 2e H2(g) + 2OH-0.8277 0.82776Bi(s) + 3H+ + 3e
9、BiH3-0.8 0.86Zn2+ + 2e Zn(Hg)-0.7628 0.76286Zn2+ + 2e Zn(s)-0.7618 0.76186Ta2O5(s) + 10H+ + 10e 2Ta(s) + 5H2O-0.75 0.75Cr3+ + 3e Cr(s)-0.74 0.74AuAu(CN)2 + e Au(s) + 2CN-0.60 0.60Ta3+ + 3e Ta(s)-0.6 0.6PbO(s) + H2O + 2e Pb(s) + 2OH-0.58 0.58Ti2TiO2(s) + 2H+ + 2e Ti2O3(s) + H2O-0.56 0.56Ga3+ + 3e Ga(
10、s)-0.53 0.53U4+ + e U3+-0.52 0.525P H3PO2(aq) + H+ + e P(white)note 2 + 2H2O-0.508 0.5086P H3PO3(aq) + 2H+ + 2e H3PO2(aq) + H2O-0.499 0.4996P H3PO3(aq) + 3H+ + 3e P(red)note 2 + 3H2O-0.454 0.4546Fe2+ + 2e Fe(s)-0.44 0.443C2CO2(g) + 2H+ + 2e HOOCCOOH(aq)-0.43 0.43Cr3+ + e Cr2+-0.42 0.42Cd2+ + 2e Cd(s
11、)-0.40 0.403GeO2(s) + 2H+ + 2e GeO(s) + H2O-0.37 0.37Cu2O(s) + H2O + 2e 2Cu(s) + 2OH-0.360 0.3606PbSO4(s) + 2e Pb(s) + SO42-0.3588 0.35886PbSO4(s) + 2e Pb(Hg) + SO42-0.3505 0.35056Eu3+ + e Eu2+-0.35 0.355In3+ + 3e In(s)-0.34 0.349Tl+ + e Tl(s)-0.34 0.349Ge(s) + 4H+ + 4e GeH4(g)-0.29 0.29Co2+ + 2e Co
12、(s)-0.28 0.286P H3PO4(aq) + 2H+ + 2e H3PO3(aq) + H2O-0.276 0.2766V3+ + e V2+-0.26 0.263Ni2+ + 2e Ni(s)-0.25 0.25As(s) + 3H+ + 3e AsH3(g)-0.23 0.239AgI(s) + e Ag(s) + I-0.15224 0.152246MoO2(s) + 4H+ + 4e Mo(s) + 2H2O-0.15 0.15Si(s) + 4H+ + 4e SiH4(g)-0.14 0.14Sn2+ + 2e Sn(s)-0.13 0.13O2(g) + H+ + e H
13、O2(aq)-0.13 0.13Pb2+ + 2e Pb(s)-0.13 0.133WO2(s) + 4H+ + 4e W(s) + 2H2O-0.12 0.12P(red) + 3H+ + 3e PH3(g)-0.111 0.1116C CO2(g) + 2H+ + 2e HCOOH(aq)-0.11 0.11Se(s) + 2H+ + 2e H2Se(g)-0.11 0.11C CO2(g) + 2H+ + 2e CO(g) + H2O-0.11 0.11SnO(s) + 2H+ + 2e Sn(s) + H2O-0.10 0.10SnO2(s) + 2H+ + 2e SnO(s) + H
14、2O-0.09 0.09WO3(aq) + 6H+ + 6e W(s) + 3H2O-0.09 0.099P(white) + 3H+ + 3e PH3(g)-0.063 0.0636Fe3+ + 3e Fe(s)-0.04 0.048C HCOOH(aq) + 2H+ + 2e HCHO(aq) + H2O-0.03 0.03H 2H+ + 2e H2(g)0.0000 0AgBr(s) + e Ag(s) + Br+0.071336S4O62 + 2e 2S2O32+0.08Fe3O4(s) + 8H+ + 8e 3Fe(s) + 4H2O+0.08510N2(g) + 2H2O + 6H
15、+ + 6e 2NH4OH(aq)+0.092HgO(s) + H2O + 2e Hg(l) + 2OH+0.0977Cu(NH3)42+ + e Cu(NH3)2+ + 2NH3+0.109Ru(NH3)63+ + e Ru(NH3)62+0.105N2H4(aq) + 4H2O + 2e 2NH4+ + 4OH+0.111Mo H2MoO4(aq) + 6H+ + 6e Mo(s) + 4H2O+0.11Ge4+ + 4e Ge(s)+0.12C(s) + 4H+ + 4e CH4(g)+0.139C HCHO(aq) + 2H+ + 2e CH3OH(aq)+0.13S(s) + 2H+
16、 + 2e H2S(g)+0.14Sn4+ + 2e Sn2+0.15Cu2+ + e Cu+0.1599S HSO4 + 3H+ + 2e SO2(aq) + 2H2O+0.16UO22+ + e UO2+0.1635S SO42 + 4H+ + 2e SO2(aq) + 2H2O+0.17TiO2+ + 2H+ + e Ti3+ + H2O+0.19SbO+ + 2H+ + 3e Sb(s) + H2O+0.20AgCl(s) + e Ag(s) + Cl+0.222336As H3AsO3(aq) + 3H+ + 3e As(s) + 3H2O+0.24GeO(s) + 2H+ + 2e
17、 Ge(s) + H2O+0.26UO2+ + 4H+ + e U4+ + 2H2O+0.2735Re3+ + 3e Re(s)+0.300Bi3+ + 3e Bi(s)+0.3086VO2+ + 2H+ + e V3+ + H2O+0.34Cu2+ + 2e Cu(s)+0.3409Fe Fe(CN)63 + e Fe(CN)64+0.36O2(g) + 2H2O + 4e 4OH(aq)+0.403Mo H2MoO4 + 6H+ + 3e Mo3+ + 2H2O+0.43C CH3OH(aq) + 2H+ + 2e CH4(g) + H2O+0.50S SO2(aq) + 4H+ + 4e
18、 S(s) + 2H2O+0.50Cu+ + e Cu(s)+0.5209C CO(g) + 2H+ + 2e C(s) + H2O+0.52I3 + 2e 3I+0.533I2(s) + 2e 2I+0.543Au AuI4 + 3e Au(s) + 4I+0.56As H3AsO4(aq) + 2H+ + 2e H3AsO3(aq) + H2O+0.56Au AuI2 + e Au(s) + 2I+0.58MnO4 + 2H2O + 3e MnO2(s) + 4OH+0.59S2O32 + 6H+ + 4e 2S(s) + 3H2O+0.60Fc+ + e Fc(s)+0.64111Mo
19、H2MoO4(aq) + 2H+ + 2e MoO2(s) + 2H2O+0.65C + 2H+ + 2e +0.69926O2(g) + 2H+ + 2e H2O2(aq)+0.70Tl3+ + 3e Tl(s)+0.72PtCl62 + 2e PtCl42 + 2Cl+0.7265Se H2SeO3(aq) + 4H+ + 4e Se(s) + 3H2O+0.74PtCl42 + 2e Pt(s) + 4Cl+0.7585Fe3+ + e Fe2+0.77Ag+ + e Ag(s)+0.79966Hg22+ + 2e 2Hg(l)+0.80N NO3(aq) + 2H+ + e NO2(g
20、) + H2O+0.802FeO42 + 5H2O + 6e Fe2O3(s) + 10 OH+0.818Au AuBr4 + 3e Au(s) + 4Br+0.85Hg2+ + 2e Hg(l)+0.85MnO4 + H+ + e HMnO4+0.90Hg2Hg2+ + 2e Hg22+0.919Pd2+ + 2e Pd(s)+0.9155Au AuCl4 + 3e Au(s) + 4Cl+0.93MnO2(s) + 4H+ + e Mn3+ + 2H2O+0.95AuAuBr2 + e Au(s) + 2Br+0.96XeHXeO63 + 2H2O + 2e + HXeO4 + 4OH+0
21、.9912TeH6TeO6(aq) + 2H+ + 2e TeO2(s) + 4H2O+1.0213Br2(l) + 2e 2Br+1.0666Br2(aq) + 2e 2Br+1.08736I IO3 + 5H+ + 4e HIO(aq) + 2H2O+1.13Au AuCl2 + e Au(s) + 2Cl+1.15Se HSeO4 + 3H+ + 2e H2SeO3(aq) + H2O+1.15Ag2O(s) + 2H+ + 2e 2Ag(s) + H2O+1.17ClO3 + 2H+ + e ClO2(g) + H2O+1.18XeHXeO63 + 5H2O + 8 e Xe(g) +
22、 11OH+1.1812Pt2+ + 2e Pt(s)+1.1885ClO2(g) + H+ + e HClO2(aq)+1.19I 2IO3 + 12H+ + 10e I2(s) + 6H2O+1.20ClO4 + 2H+ + 2e ClO3 + H2O+1.20O2(g) + 4H+ + 4e 2H2O+1.2293MnO2(s) + 4H+ + 2e Mn2+ + 2H2O+1.23XeHXeO4 + 3H2O + 6 e Xe(g) + 7OH+1.2412Tl3+ + 2e Tl+1.25Cr2O72 + 14H+ + 6e 2Cr3+ + 7H2O+1.33Cl2(g) + 2e
23、2Cl+1.363CoO2(s) + 4H+ + e Co3+ + 2H2O+1.42N 2NH3OH+ + H+ + 2e N2H5+ + 2H2O+1.421I 2HIO(aq) + 2H+ + 2e I2(s) + 2H2O+1.44Ce4+ + e Ce3+1.44BrO3 + 5H+ + 4e HBrO(aq) + 2H2O+1.45PbO -PbO2(s) + 4H+ + 2e Pb2+ + 2H2O+1.4609PbO -PbO2(s) + 4H+ + 2e Pb2+ + 2H2O+1.4689Br 2BrO3 + 12H+ + 10e Br2(l) + 6H2O+1.48Cl
24、2ClO3 + 12H+ + 10e Cl2(g) + 6H2O+1.49MnO4 + 8H+ + 5e Mn2+ + 4H2O+1.51O HO2 + H+ + e H2O2(aq)+1.51Au3+ + 3e Au(s)+1.52NiO2(s) + 4H+ + 2e Ni2+ + 2OH+1.59Cl 2HClO(aq) + 2H+ + 2e Cl2(g) + 2H2O+1.63Ag2O3(s) + 6H+ + 4e 2Ag+ + 3H2O+1.67Cl HClO2(aq) + 2H+ + 2e HClO(aq) + H2O+1.67Pb4+ + 2e Pb2+1.699MnO4 + 4H
25、+ + 3e MnO2(s) + 2H2O+1.70AgO(s) + 2H+ + e Ag+ + H2O+1.77O H2O2(aq) + 2H+ + 2e 2H2O+1.78Co3+ + e Co2+1.82Au+ + e Au(s)+1.839BrO4 + 2H+ + 2e BrO3 + H2O+1.85Ag2+ + e Ag+1.989S2O82 + 2e 2SO42+2.0106O3(g) + 2H+ + 2e O2(g) + H2O+2.0755Mn HMnO4 + 3H+ + 2e MnO2(s) + 2H2O+2.09XeO3(aq) + 6H+ + 6 e Xe(g) + 3H2O+2.1212XeH4XeO6(aq) + 8H+ + 8 e Xe(g) + 6 H2O+2.1812FeO42 + 3e + 8H+ Fe3+ + 4H2O+2.2014XeF2(aq) + 2H+ + 2e Xe(g) + 2HF(aq)+2.3212XeH4XeO6(aq) + 2H+ + 2e XeO3(aq) + H2O+2.4212F2(g) + 2e 2F+2.8793F2(g) + 2H+ + 2e 2HF(aq)+3.059