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