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Chemistry 2e

K | Formation Constants for Complex Ions

Chemistry 2eK | Formation Constants for Complex Ions

Formation Constants for Complex Ions
Equilibrium Kf
Al3++6F[AlF6]3−Al3++6F[AlF6]3− 7 ×× 1019
Cd2++4NH3[Cd(NH3)4]2+Cd2++4NH3[Cd(NH3)4]2+ 1.3 ×× 107
Cd2++4CN[Cd(CN)4]2−Cd2++4CN[Cd(CN)4]2− 3 ×× 1018
Co2++6NH3[Co(NH3)6]2+Co2++6NH3[Co(NH3)6]2+ 1.3 ×× 105
Co3++6NH3[Co(NH3)6]3+Co3++6NH3[Co(NH3)6]3+ 2.3 ×× 1033
Cu++2CN[Cu(CN)2]Cu++2CN[Cu(CN)2] 1.0 ×× 1016
Cu2++4NH3[Cu(NH3)4]2+Cu2++4NH3[Cu(NH3)4]2+ 1.7 ×× 1013
Fe2++6CN[Fe(CN)6]4−Fe2++6CN[Fe(CN)6]4− 1.5 ×× 1035
Fe3++6CN[Fe(CN)6]3−Fe3++6CN[Fe(CN)6]3− 2 ×× 1043
Fe3++6SCN[Fe(SCN)6]3−Fe3++6SCN[Fe(SCN)6]3− 3.2 ×× 103
Hg2++4Cl[HgCl4]2−Hg2++4Cl[HgCl4]2− 1.1 ×× 1016
Ni2++6NH3[Ni(NH3)6]2+Ni2++6NH3[Ni(NH3)6]2+ 2.0 ×× 108
Ag++2Cl[AgCl2]Ag++2Cl[AgCl2] 1.8 ×× 105
Ag++2CN[Ag(CN)2]Ag++2CN[Ag(CN)2] 1 ×× 1021
Ag++2NH3[Ag(NH3)2]+Ag++2NH3[Ag(NH3)2]+ 1.7 ×× 107
Zn2++4CN[Zn(CN)4]2−Zn2++4CN[Zn(CN)4]2− 2.1 ×× 1019
Zn2++4OH[Zn(OH)4]2−Zn2++4OH[Zn(OH)4]2− 2 ×× 1015
Fe3++SCN[Fe(SCN)]2+Fe3++SCN[Fe(SCN)]2+ 8.9 ×× 102
Ag++4SCN[Ag(SCN)4]3−Ag++4SCN[Ag(SCN)4]3− 1.2 ×× 1010
Pb2++4I[PbI4]2−Pb2++4I[PbI4]2− 3.0 ×× 104
Pt2++4Cl[PtCl4]2−Pt2++4Cl[PtCl4]2− 1 ×× 1016
Cu2++4CN[Cu(CN)4]2−Cu2++4CN[Cu(CN)4]2− 1.0 ×× 1025
Co2++4SCN[Co(SCN)4]2−Co2++4SCN[Co(SCN)4]2− ×× 103
Table K1
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