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complex ion colours
colours of complex ions in 5.3.1 transition metals ocr a level chemistry a
| ion | colour |
|---|---|
| [CuCl4] 2- | green solution |
| [CoCl4] 2- | blue solution |
| [Cu(H2O)6] 2+ | blue solution |
| [Co(H2O)6] 2+ | pink solution |
| [Fe(H2O)6] 2+ | green solution |
| [Mn(H2O)6] 2+ | pale pink solution |
| Cu(OH)2(H2O)4 | blue precipitate |
| Co(OH)2(H2O)4 | blue precipitate |
| Fe(OH)2(H2O)4 | green precipitate |
| Mn(OH)2(H2O)4 | light brown precipitate |
| Fe(OH)3(H2O)3 | brown precipitate |
| Co(OH)3(H2O)3 | brown precipitate |
| Mn(OH)3(H2O)3 | dark brown precipitate |
| [Cu(NH3)4(H2O)2] 2+ | deep blue solution |
| [Co(NH3)6] 2+ | yellow solution |
| [Co(NH3)6] 3+ | brown solution |
| [Cr(H2O)6] 3+ | green solution |
| [Fe(H2O)6] 3+ | yellow solution |
| Cr(OH)3(H2O)3 | green precipitate |
| Fe(OH)3(H2O)3 | brown precipitate |
| [Cr(NH3)6] 3+ | violet solution |
| [Cr(OH)6] 3- | green solution |
| CrO4 2- | yellow solution |
| Cr2O7 2- | orange solution |
Created by:
gb18
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