| Complex | Observation |
| Cu(OH)2 | |
| CoCO3 | |
| [Fe(H2O)6]3+ | |
| [Cu(H2O)6]2+ | |
| [Cr(OH)6]- | |
| CuCO3 | |
| [Fe(H2O)6]2+ | |
| [Co(H2O)6]2+ | |
| Cr(OH)3 | |
| FeCO3 | |
| CrO42- | |
| [CoCl4]2- | |
| | Complex | Observation |
| Al(OH)3 | |
| [Cr(H2O)6]3+ | |
| [Al(OH)4]- | |
| Fe(OH)3 | |
| [Al(H2O)6]3+ | |
| [Cu(NH3)4(H2O)2]2+ | |
| [Co(NH3)6]3+ | |
| [Cr(NH3)6]3+ | |
| Co(OH)2 | |
| [CuCl4]2- | |
| Fe(OH)2 | |
|