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Aqueous Ion Colors
AP Chem Ionic Solution Colors
| Question | Answer |
|---|---|
| Cu(+) | Green |
| Cu(2+) | Blue |
| Fe Complex Ion | Deep Blue |
| Fe(2+) | Yellow-Green |
| Fe(3+) | Orange-Red |
| Co(2+) | Pink |
| Cr(3+) | Violet with NO3, Green with Cl3 |
| Ni(2+) | Green |
| Mn(2+) | Pink |
| Pb(3+) | Blue-Green, 2+ and 4+ are Colorless |
| V(2+) | Violet |
| V(3+) | Blue-Green |
| MnO4(-) | Purple with Mn(7+) |
| CrO4(2-) | Yellow |
| Cr2O7(2-) | Orange |
| Cu(NH3)4(2+) | Dark Blue |
| FeSCN(2+) | Red-Brown, Wine-Red to Dark Orange |
| CoCl4(2-) | Blue |
| Ti(H2O)6(3+) | Purple |
| Al(+) | Colorless with White Solid Salt |
| K(+) | Colorless with White Solid Salt |
| Li(+) | Colorless with White Solid Salt |
| Mg(2+) | Colorless with White Solid Salt |
| Na(+) | Colorless with White Solid Salt |
| Ca(2+) | Colorless with White Solid Salt |
| Ba(2+) | Colorless with White Solid Salt |
| Sr(2+) | Colorless with White Solid Salt |
| Zn(2+) | Colorless with White Solid Salt |