Aqueous Ion Colors
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Created by:
aditiganpule on September 15, 2011
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22 terms
Terms | Definitions |
|---|---|
 Cu1+ | Green |
| Cu2+ | Blue |
| Fe | Yellow to red-orange (depending on anion and charge of Fe); in rare cases, can form complex ion with a deep blue color |
| Fe2+ | yellow-green (depending on the anion) |
| Fe3+ | orange-red (depending on the anion) |
| Co2+ | Pink |
| Cr3+ | Violet (Cr(NO3)3 to Green (CrCl3) |
| Ni2+ | Green |
| MnO4- | Purple (Mn w/ +7 oxidation state is purple) |
| CrO42- | Yellow |
| Cr2O72- | Orange |
| Cu(NH3)42+ | Dark Blue; produced when ammonia is added to Cu2+ solutions |
| FeSCN2+ | Red-brown, Wine-red to dark orange |
| Al, K, Li, Mg, Na, Ca, Ba, Sr, Zn | colorless aqueous ions and most of their solid salts are white. |
| Transition element ions with partially filled d orbitals | tend to release colored light. |
| Mn2+ | Pink |
| Pb3+ | blue-green (Pb2+ and Pb4+ are colorless) |
| V2+ | violet |
| V3+ | blue-green |
| Zn2+ | Colorless/Milky |
| CoCl42- | Blue (Co2+ with HCl will form a CoCl42- complex that is blue) |
| Ti(H2O)63+ | Purple |
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