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1、Standard electrode potential (data page)From Wikipedia, the free encyclopedia(Redirected from Table of standard electrode potentials)Jump to: navipation, searchMain article: standard electrode potemialThe values of standard electrode potentials are given in the table below in volts relative to the s
2、tandard hydrogen electrodeand are for the following conditions: A temperature of 298.15 K (25 ); An effective concectratiooof 1 mol/L for each aqueous species or a species in a mercury amalgam; A partial pressureof 101.325 kPa(absolute) (1 atm, 1.01325 bar) for each gaseous reagent. This pressure is
3、 used because most literature data are still given for this value rather than for the current standard of 100 kPa. An activityof unity for each pure solid, pure liquid, or for water (solvent).Legend: (s) - solid; (/) 一 liquid; (g) 一 gas; (aq) - aqueous (default for all charged species); (Hg) - amalg
4、am.Half-reaction(V)nM。/Ref.% Nz(g) + H+ + H LHN3(M-3.09mLi+ +e一 ,i(s)-3.040121N2(g) + 4 H2O + 2 =2 NH20H( + 2 OH-3.04m + / =Cs(s)-3.026121Rb+ + eT =Rb(s)-2.982K+ + ” hK(s)-2.931Ba2+ + 2 e MBa(s)-2.91221La(OH)3(5)+ 3 =La(s) + 3 OH-2.90121Half-reactionE0 （V）note 1Ref.C102（g） + W+ e- =HC1O2（q7）2 IO3-+
5、12 H+10 H=l2（s） + 6 H2OC1O4- + 2 H+ + 2 eCIO3 + H2OO2（g） + 4 H+ + 4 e- 2 H2OMnO2（5）+ 4 H+ + 2 U ?=*Mn2+ + 2 H2O HXeO4_ + 3 H2O + 6 H =Xe（g） + 7 OFTTl3+ 2 e =T1+50产 + 14 H+ + 6 H=2 Cr3+ + 7 H2OC12（g） + 2 / =2 crCoO2（s） + 4 H+ +，6+ + 2 H2O2 NH3O H+ H+ + 2 ” =N2H5士 + 2 H202 HlO（ag） + 2 H+ + 2 e =b（s） +
6、 2 H2OCe4+ + / Ce3+BrOs + 5 H+ + 4 e HBrO（） + 2 H2OB-PbCh+ 4 H+ + 2 弓廿 + 2 H2Oa-PbO2（5）+ 4 H+ + 2 H Pb2+ + 2 H2O2 BrOs- + 12 H+10 /、重侬/） + 6 H202C1O3 + 12 H+ 10 H =Cb（g） + 6 H2OMnO + 8 H+ + 5 e- Mn2+ + 4 H2O+ 1.19+1.20+ 1.20+1.229+ 1.23+ 1.24+ 1.25+ 1.33+ 1.36+ 1.42+ 1.42+ 1.44+ 1.44+ 1.45+1.460+1.4
7、68+ 1.48+ 1.49+ 1.51+1.513112131LU99HO2* + H+ + H = H2O2（的）Half-reaction0(v)|note 1Ref.Au3+ + 3 e =Au(s)+ 1.52NiO2(5)+ 4 H+ + 2 e Ni2+ + 2 OFT+1.592 HCIO() + 2 H+ + 2 H Yb(g) + 2 H2O+1.63Ag2O3(s) + 6 H+ + 4 d =2 Ag+ + 3 H2O+ 1.67HC1O2() + 2 H+ + 2 O FiHCIOC) + H2O+ 1.67Pb4+ + 2 H Pb2+ 1.6919MnOF + 4
8、 H+ + 3 U =Mn)2(s) + 2 H2O+ 1.70AgO(s) + 2 H+ + U =Ag+ + H2O+ 1.77H2O2() + 2 H+ + 2 e =2 H2O+ 1.78Co3+ +=Co2+ 1.82Au+ + e =Au(s)+1.839BrOr + 2 H+ + 2 H =BrCh + H2O+ 1.85Ag2+ + e =Ag+ 1.98121S2O声 + 2 H H2 SO/+2.01016仙(g) + 2 H+ + 2 e HO2(g) + H2O+2.0755HMnOr + 3 H+ + 2 b AMnCh + 2 H2O+2.09XeO3() + 6
9、H+ + 6 b re(g) + 3 H2O+2.12121H4XeO6() + 8 H+ + 8 H =Xe(g) + 6 H2O+2.181121FeO?- + 3+ 8 H+ Fe3+ + 4 H2O+2.20114XeF2(aq) + 2 H+ 2 J =Xe(g) + 2HF(aq)+2.3212Half-reaction。pinole 11Ref.H4XeO6() + 2 H+ + 2 / =XeCh(w) + H2O+2.421121F2(g) + 2 H =2 F-+2.8791131F2(g) + 2 H+ + 2 =2 HF(aq)+3.05121Half-reaction
10、o(*7)lnolc 11Ref.Sr2+ + 2 H -Sr(s)-2.899Ca2+ + 2 e- Ya(s)-2.868Eu2+ + 2 e- =Eu(s)-2.8122Ra2+ + 2 e MRa(s)-2.821Na+ + O =Na(s)-2.71Sc3+ + 3 e- =Sc(s)-2.0774La3+ + 3 e =La(s)-2.379L2Y3+ + 3 e- LY(s)-2.3722Mg2+ + 2 e LMg(s)-2.372ZrO(OH)2(5)+ H2O + 4 e- =Zr(s) + 4 OFT-2.36121A1(OH)4- + 3 e =Al(s) + 4 OH
11、-2.33A1(OH)3(s) + 3 H =A1(s) + 3 OH-2.31Hz(g) + 2 e =2 H-2.25Ac3+ + 3 e =Ac(s)-2.20Be2+ + 2 e MTBe(s)-1.85U3+ + 3 e =U(s)-1.665Al3+ + 3 e- =Al(s)-1.66ITi2+ + 2 e 5(s)-1.6313ZrO2(5)+ 4 H+ + 4 H LZr(s) + 2 H2O-1.553161Zr4+ + 4 e =Zr-1.456Half-reaction0(*7)lnole 11Ref.Ti3+ + 3 e- =Ti(s)-1.37121TiO + 2
12、H+ + 2 b =Ti(s) + H2O-1.31Ti2O3(s) + 2 H+ + 2 H =2 TiO(s) + H2O-1.23Zn(OH)42- + 2 e- =Zn(s) + 4 OH-1.19961Mn2+ + 2 e =Mn(s)-1.185161Fe(CN)64 + 6 H+ + 2 /冲e(s) + 6HCN(q)-1.168Te(5) + 2 e Te2-1.1439V2+ + 2 e- LV(s)-1.1321Nb3+ + 3 H-Nb(s)-1.099Sn(5)+ 4 H+ + 4 b =SnH4(g)-1.07SiO2(5)+ 4 H+ + 4 ” =Si + 2
13、H2O-0.91B(OH)3(m) + 3 H+ + 3 H=B(s) + 3 H2O-0.89Fe(OH)2(5)+ 2 e- =Fe(s) + 2 OH-0.8918Fe2O3(5)+ 3 H2O + 2 e- =2Fe(OH)2(s) + 2 OH-0.86181TiO2+ + 2 H+ + 4 =Ti(s) + H2O-0.862 H2O + 2 e G2(g) + 2 OH-0.82776Bi(5)+ 3 H+ + 3 BiH3-0.861Zn2+ + 2 e LZn(Hg)-0.7628161Zn2+ + 2 e LZn(s)-0.7618161Ta2O5(5)+ 10 H+ 10
14、 d =2 Ta(5)+ 5 H2O-0.75盘+ + 3 5-Cr(5)-0.74Au(CN)2- + eHAy(s) + 2 CN-0.60Ta3+ 3 e- =Ta(s)-0.6PbO(s) + H2O + 2 e- HPb(s) + 2 OH-0.582 TiO2(5)+ 2 H+ + 2 U =Ti2O3(s) + H2O-0.56Ga3+ 3 e- :Ga(s)-0.53U4+ + e- LU3+-0.52H3Po2(0 + H+ + H LP(w/z淞)1n+ 2 H2O -0.508H3P。3(的)+ 2 H+ + 2 =H3PC)2(Qq) + H2O -0.499H3Po3
15、(w) + 3 H+ + 3 b P(re6/)lnote2i + 3 出0 0.454161Fe2+ 2/HFe(s)-0.442 CO2(g) + 2 H+ + 2 U =HOOCCOOH()-0.43Cr3+ + b -Cr2+-0.42Cd2+ 2 e- -Cd(s)-0.40GeO2(5)+ 2 H+ + 2 GeO(s) + H2O-0.37Cu2O(s) + H2O + 2 e- =2 Cu(s) + 2 OH-0.360 应PbSO4(5)+ 2 e-=咏)+ SO42-PbSO4(5)+ 2 e- =Pb(”g) + SO42-E/+ erHEu2+In3+ 3 e Nn(s
16、)-0.3588囱-0.3505囱-0.35国-0.34囹Half-reactionE。(V)moic 11Ref.Tl+ + / G(s)-0.3419Ge(5)+ 4 H+ + 4 H GeH4(g)-0.29Co2+ + 2 H-Co(s)-0.286H3Po4(aq) + 2 H+ + 2 b =H3Po3(的)+ H2O-0.27616V3+ + =V2+-0.26131Ni2+ + 2 e- =Ni(s)-0.25As(5)+ 3 H+ + 3 =AsH3(g)-0.239Agl(s) + e T Ag(s) + I-0.1522416MoO2 + 4 H+ + 4 lmo(s)
17、+ 2 H2O-0.15Si(5)+ 4 H+ + 4 H =SiH4(g)-0.14Sn2+ + 2 e =Sn-0.13Q2(g) + H+ + KHO2(-0.13Pb2+ + 2 e- =Pb(s)-0.1331WO2G) + 4 H+ + 4 H FW(5)+ 2 H2O-0.12P(red) + 3 H+ 3 H =PH3(g)-0.111682(g) + 2 H+ + 2 e =HCOOHM)-0.11Se(5)+ 2 H+ + 2H2Se()-0.11CO2(g) + 2 H+ + 2 ” =CO(g) + H2O-0.11SnO(5)+ 2 H+ + 2 H =Sn(s) +
18、 H2O-0.10SnO2(5)+ 2 H+ + 2 =SnO(s) + H2O-0.09W03(m) + 6 H+ + 6 b = W(s) + 3 H2O-0.09191P(white) + 3 H+ + 3 H TB(g)-0.063tmFe3+ + 3 e =Fe(s)-0.048HCOOH() + 2 H+ + 2 b =HCHO(aq) + H2O-0.032 H+ + 2= H2(g)0.0000=0AgBr(s) + e =Ag(s) + Br-+0.071336S4O6上 + 2 H =2 S2O3打+0.08Fe3O4 + 8 H+ + 8 =3 Fe(s) + 4 H2O
19、+0.08510N2(g) + 2 H2O + 6 H+ + 6 丁 =2 NH40H+0.092HgOO) + H2O + 2 ” Hg(Z) + 2 OFT+0.0977Cu(NH3)42+ + e =Cu(NH3”+ + 2 NH3+0.109RufNH21 + b =Ru(NH3)62+0.105N2H4(qc/) + 4 H2O + 2 H =2 NH4+ + 4 OH-+0.11LUH2Moe)4。) + 6 H+ + 6 hMo(s) + 4 H2O+0.11Ge4+ + 4 Ge(s)+0.12C(s) + 4 H+ + 4 H TH)+0.139HCHO(m) + 2 H+
20、+ 2 b =CH30H()+0.13s(5)+ 2 H+ + 2 / LH2s(g)+0.14Sn4+ + 2 H =Si?+0.15Oi2+ + / -Cu+0.1599+0.16UO221 + e =UO2+0.1635SO?- + 4 H+ + 2 小=SO2(M + 2 H2O+0.17TiO2+ + 2 H+ + j =+ + H2O+0.19SbO+ + 2 H+ + 3 H =Sb(s) + H2O+0.20AgCl + HAg(s) + cr+0.222336HSOr + 3 H+ + 2 U =SO2(q) + 2 H2O+0.24H3AsO3(的)+ 3 H+ + 3 =
21、As(s) + 3 H2O+0.26GeO(s) + 2 H+ + 2 e =Ge(s) + H2OUO2+ + 4H+ + 1)4+ + 2 H2O+0.27351Re3+ + 3e LRe(s)+0.300Bi3+ + 3+0.3086VO2+ + 2H+ + H 内3+ + H2O+0.34Cu2+ + 2H -Cu(s)+0.34019+0.36O2(g) + 2 H2O + 4 H =4 OFT(的)+0.4031H2Mo04 + 6 H+ + 3 H hMo3+ + 2 H2O+0.43CH3OH() + 2 H+ + 2 H =CH4(g) + H2O+0.50SO2M + 4
22、H+ + 4 hS(s) + 2 H2O+0.50Cu+ + b =Cu(s)+0.520191Fe(CN)63-+ O =Fe(CN)6-+0.52CQ(g) + 2 H+ + 2 H ； C(s) + H2OI3一 + 2 J =3 r+0.53131h(s) + 2 H =2 r+0.543AuI4 + 3 =Au(s) + 4 T+0.56+0.56Auk- + =Au(s) + 2 T+0.58H3AsO4(的)+ 2 H+ + 2 H =H3Ase)3(的)+ H2O+0.59+0.60Fc+ + e =Fc(s)+0.641LUIMnOr + 2 H2O + 3 e jnC)2(
23、s) + 4 OH-S2O32 + 6 H+ + 4 H =2 S(s) + 3 H2O+0.65+0.6992161H2Mo04(叼)+ 2 H+ + 2 H =MoO2(s) + 2 H2O+0.70+0.72PtC162- + 2 e PtCU2- + 2 Cl-+0.72615O2(g)+ 2 H+ + 2 eTl3+ 3 e- Fl(s)+0.74PtC142- + 2 LPt(s) + 4 cr+0.758151H2SeO3(的)+ 4 H+ + 4 b =Se(s) + 3 H2O+0.77Ag+ + e LAg(s)+0.79966Fe3+ * =Fe2+0.80Hg22+ 2
24、 H =2 Hg(Z)NO3二Sq) + 2 H+ +”O2(g) + H2O+0.80Half-reaction0(*7)lnote 11Ref.2FeO42z + 5 H2O + 6 / TdChG) + 10 OH-+0.81181AuBr4 + 3 eT =Au(s) + 4 Br-+0.85Hg2+ + 2 =Hg(Z)+0.85MnO4- + H+ + H =HMnO+0.902 Hg2+ + 2 ” Hg22+0.91191Pd2+ + 2 e- =Pd(s)+0.9155AuCk- + 3 e- =Au(s) + 4 C+0.93MnChG) + 4 H+ +Mn3+ + 2
25、H2O+0.95AuBr2- + e l，Au(s) + 2 Br-+0.96HXeO63- + 2 H2O + 2 e 曰HXeCU+ 4OH +0.99121H6TeO6(M)+ 2 H+ + 2 / =TeO2(s) + 4 H2O+ 1.02131Br2(Z) + 2 H =2 Br+ 1.0666Bt2(aq) + 2 e =2 Br-+ 1.0873161IO3- + 5 H+ + 4 =HIOM + 2 H2O+ 1.13AuCh + H =Au(s) + 2 Cl-+ 1.15HSeOr + 3 H+ + 2 H =H2Se()3(的)+ H2O+1.15Ag2O(s) + 2 H+ + 2 H =2 Ag(s) + H2O+ 1.17CIO3- + 2 H+ + e hC102(g) + H2O+ 1.18HXeO63- + 5 H2O + 8 O LXe(g) + 11 OH-+ 1.181121Pt2+ + 2 H =Pt(s)+ 1.1885