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22.12: Potenciais de eletrodo padrão (meia célula)

  • Page ID
    198285
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    Potenciais de eletrodo padrão (meia célula)
    Meia-reação E° (V)
    Ag++eAgAg++eAg +0,7996
    AgCl+eAg+ClAgCl+eAg+Cl +0,22233
    [Ag(LATA)2]+eAg+2LATA[Ag(LATA)2]+eAg+2LATA −0,31
    Ag2CRo4+2e2Ag+CRo42−Ag2CRo4+2e2Ag+CRo42− +0,45
    [Ag(NH3)2]++eAg+2NH3[Ag(NH3)2]++eAg+2NH3 +0,373
    [Ag(S2O3)2]3++eAg+2S2O32−[Ag(S2O3)2]3++eAg+2S2O32− +0,017
    [Alf6]3−+3eAl+6F[Alf6]3−+3eAl+6F −2,07
    Al3++3eAlAl3++3eAl −1,62
    Am3++3eAmAm3++3eAm −2.048
    Au3++3eAuAu3++3eAu +1.498
    Au++eAuAu++eAu +1.692
    Ba2++2eBaBa2++2eBa −2,912
    Seja2++2eSejaSeja2++2eSeja −1,847
    Br2(umaq)+2e2BrBr2(umaq)+2e2Br +1.0873
    Ca2++2eCaCa2++2eCa −2,868
    Ce3+3eCeCe3+3eCe −2,483
    Ce4++eCe3+Ce4++eCe3+ +1,61
    Cd2++2eCdCd2++2eCd −0,4030
    [Cd(LATA)4]2−+2eCd+4LATA[Cd(LATA)4]2−+2eCd+4LATA −1,09
    [Cd(NH3)4]2++2eCd+4NH3[Cd(NH3)4]2++2eCd+4NH3 −0,61
    CDs+2eCd+S2−CDs+2eCd+S2− −1,17
    Cl2+2e2ClCl2+2e2Cl +1.35827
    ClO4+H2O+2eClO3+2OHClO4+H2O+2eClO3+2OH +0,36
    ClO3+H2O+2eClO2+2OHClO3+H2O+2eClO2+2OH +0,33
    ClO2+H2O+2eClO+2OHClO2+H2O+2eClO+2OH +0,66
    ClO+H2O+2eCl+2OHClO+H2O+2eCl+2OH +0,89
    ClO4+2H3O++2eClO3+3H2OClO4+2H3O++2eClO3+3H2O +1.189
    ClO3+3H3O++2eChlo2+4H2OClO3+3H3O++2eChlo2+4H2O +1,21
    Chlo+H3O++2eCl+2H2OChlo+H3O++2eCl+2H2O +1.482
    Chlo+H3O++e12Cl2+2H2OChlo+H3O++e12Cl2+2H2O +1.611
    Chlo2+2H3O++2eChlo+3H2OChlo2+2H3O++2eChlo+3H2O +1.628
    Co3++eCo2+(2toupeira//H2ENTÃO4)Co3++eCo2+(2toupeira//H2ENTÃO4) +1,83
    Co2++2eCoCo2++2eCo −0,28
    [Co(NH3)6]3++e[Co(NH3)6]2+[Co(NH3)6]3++e[Co(NH3)6]2+ +0,1
    Co(OH)3+eCo(OH)2+OHCo(OH)3+eCo(OH)2+OH +0,17
    Cr3+3eCrCr3+3eCr −0,744
    Cr3++eCr2+Cr3++eCr2+ −0,407
    Cr2++2eCrCr2++2eCr −0,913
    [Cu(LATA)2]+eCu+2LATA[Cu(LATA)2]+eCu+2LATA −0,43
    CRo42−+4H2O+3eCr(OH)3+5OHCRo42−+4H2O+3eCr(OH)3+5OH −0,13
    Cr2O72−+14H3O++6e2Cr3++21H2OCr2O72−+14H3O++6e2Cr3++21H2O +1.232
    [Cr(OH)4]+3eCr+4OH[Cr(OH)4]+3eCr+4OH −1,2
    Cr(OH)3+3eCr+3OHCr(OH)3+3eCr+3OH −1,48
    Cu2++eCu+Cu2++eCu+ +0,153
    Cu2++2eCuCu2++2eCu +0,34
    Cu++eCuCu++eCu +0,521
    F2+2e2FF2+2e2F +2.866
    Fe2++2eFeFe2++2eFe −0,447
    Fe3++eFe2+Fe3++eFe2+ +0,771
    [Fe(LATA)6]3−+e[Fe(LATA)6]4−[Fe(LATA)6]3−+e[Fe(LATA)6]4− +0,36
    Fe(OH)2+2eFe+2OHFe(OH)2+2eFe+2OH −0,88
    FeS+2eFe+S2−FeS+2eFe+S2− −1,01
    Ga3++3eGaGa3++3eGa −0,549
    Deus3++3eDeusDeus3++3eDeus −2,279
    12H2+eH12H2+eH −2,23
    2H2O+2eH2+2OH2H2O+2eH2+2OH −0,8277
    H2O2+2H3O++2e4H2OH2O2+2H3O++2e4H2O +1.776
    2H3O++2eH2+2H2O2H3O++2eH2+2H2O 0,00
    QUEM2+H2O+2e3OHQUEM2+H2O+2e3OH +0,878
    Hf4++4eHfHf4++4eHf −1,5
    Hg2++2eHgHg2++2eHg +0,851
    2Hg2++2eHg22+2Hg2++2eHg22+ +0,92
    Hg22++2e2HgHg22++2e2Hg +0.7973
    [HGbR4]2−+2eHg+4Br[HGbR4]2−+2eHg+4Br +0,21
    Hg2Cl2+2e2Hg+2ClHg2Cl2+2e2Hg+2Cl +0,26808
    [Hg(LATA)4]2−+2eHg+4 CM[Hg(LATA)4]2−+2eHg+4 CM −0,37
    [HGi4]2−+2eHg+4I[HGi4]2−+2eHg+4I −0,04
    HGs+2eHg+S2−HGs+2eHg+S2− −0,70
    EU2+2e2IEU2+2e2I +0,5355
    Em3++3eEmEm3++3eEm −0,382
    K++eKK++eK −2,931
    La3++3eLaLa3++3eLa −2,52
    Li++eLiLi++eLi −3,04
    Lu3++3eLuLu3++3eLu −2,28
    Mg2++2eMgMg2++2eMg −2,372
    Mn2++2eMnMn2++2eMn −1,185
    Não2+2H2O+2eMn(OH)2+2OHNão2+2H2O+2eMn(OH)2+2OH −0,05
    Não4+2H2O+3eNão2+4OHNão4+2H2O+3eNão2+4OH +0,558
    Não2+4H++2eMn2++2H2ONão2+4H++2eMn2++2H2O +1,23
    Não4+8H++5eMn2++4H2ONão4+8H++5eMn2++4H2O +1.507
    Na++eNaNa++eNa −2,71
    Nd3++3eNdNd3++3eNd −2,323
    Ni2++2eNiNi2++2eNi −0,257
    [Ni(NH3)6]2++2eNi+6H3[Ni(NH3)6]2++2eNi+6H3 −0,49
    Não2+4H++2eNi2++2H2ONão2+4H++2eNi2++2H2O +1.593
    Não2+2H2O+2eNi(OH)2+2OHNão2+2H2O+2eNi(OH)2+2OH +0,49
    NIs+2eNi+S2−NIs+2eNi+S2− +0,76
    NÃO3+4H++3eNÃO+2H2ONÃO3+4H++3eNÃO+2H2O +0,957
    NÃO3+3H++2eNÃO2+H2ONÃO3+3H++2eNÃO2+H2O +0,92
    NÃO3+H2O+2eNÃO2+2OHNÃO3+H2O+2eNÃO2+2OH +0,10
    Não3++3eNãoNão3++3eNão −1,856
    O2+2H2O+4e4OHO2+2H2O+4e4OH +0,401
    O2+2H++2eH2O2 O2+2H++2eH2O2 +0,695
    O2+4H++4e2H2OO2+4H++4e2H2O +1.229
    Pb2++2ePbPb2++2ePb −0,1262
    PbO2+ENTÃO42−+4H++2ePbSO4+2H2OPbO2+ENTÃO42−+4H++2ePbSO4+2H2O +1,69
    PBs+2ePb+S2−PBs+2ePb+S2− −0,95
    PbSO4+2ePb+ENTÃO42−PbSO4+2ePb+ENTÃO42− −0,3505
    Pd2++2ePdPd2++2ePd +0,987
    [PDCl4]2−+2ePd+4 Cl[PDCl4]2−+2ePd+4 Cl +0,591
    Pt2++2ePtPt2++2ePt +1,20
    [PtBR4]2−+2ePt+4 Br[PtBR4]2−+2ePt+4 Br +0,58
    [PtCl4]2−+2ePt+4 Cl[PtCl4]2−+2ePt+4 Cl +0,755
    [PtCl6]2−+2e[PtCl4]2−+2 Cl[PtCl6]2−+2e[PtCl4]2−+2 Cl +0,68
    Pu3+3ePuPu3+3ePu −2,03
    Ra2++2eRaRa2++2eRa −2,92
    Rb++eRbRb++eRb −2,98
    [RHCl6]3−+3eRh+6 Cl[RHCl6]3−+3eRh+6 Cl +0,44
    S+2eS2−S+2eS2− −0,47627
    S+2H++2eH2SS+2H++2eH2S +0,142
    Sc3++3eScSc3++3eSc −2,09
    Se+2H++2eH2SeSe+2H++2eH2Se −0,399
    [SiF6]2−+4eSi+6F[SiF6]2−+4eSi+6F −1,2
    SiO32−+3H2O+4eSi+6 OHSiO32−+3H2O+4eSi+6 OH −1,697
    SiO2+4H++4eSi+2H2OSiO2+4H++4eSi+2H2O −0,86
    Sm3++3eSmSm3++3eSm −2,304
    Sn4++2eSn2+Sn4++2eSn2+ +0,151
    Sn2++2eSnSn2++2eSn −0,1375
    [SnF6]2−+4eSn+6F[SnF6]2−+4eSn+6F −0,25
    SnS+2eSn+S2−SnS+2eSn+S2− −0,94
    Sr2++2eSrSr2++2eSr −2,89
    Eto2+4H++4eTe+2H2OEto2+4H++4eTe+2H2O +0,593
    O4++4eOO4++4eO −1,90
    Ti2++2eTiTi2++2eTi −1,630
    U3++3eUU3++3eU −1,79
    V2++2eVV2++2eV −1,19
    Y3++3eYY3++3eY −2,37
    Zn2++2eZnZn2++2eZn −0,7618
    [Zn(LATA)4]2−+2eZn+4 CM[Zn(LATA)4]2−+2eZn+4 CM −1,26
    [Zn(NH3)4]2++2eZn+4H3[Zn(NH3)4]2++2eZn+4H3 −1,04
    Zn(OH)2+2eZn+2OHZn(OH)2+2eZn+2OH −1,245
    [Zn(OH)4]2+2eZn+4OH[Zn(OH)4]2+2eZn+4OH −1,19
    ZnS+2eZn+S2−ZnS+2eZn+S2− −1,40
    Zr4+4eZrZr4+4eZr −1,539
    Tabela L1