Colors for Chem AP
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41 terms
Terms | Definitions |
|---|---|
 Cu(2+) | blue |
| MnO4(1-) | purple |
| Ni(2+) | green |
| Fe(2+) | yellow or green |
| Fe(3+) | red or orange |
| FeSCN(2+) | blood red |
| Cr2O7(2-) | orange |
| CrO4(2-) | yellow |
| Cu(NH3)4 (2+) | bright blue |
| Co(H2O)6 (2+) | pink |
| CoCl4 (2-) | blue |
| metallic sulfides | usually black or brown |
| chromates | usually yellow |
| BaCO3 | white |
| PbCl2 | white |
| PbI2 | yellow |
| AgCl | white |
| AgI | yellow |
| Ag2CrO4 | red |
| TiO2 | white |
| sulfur | yellow |
| Cu(OH)2 | light blue |
| CuO | black |
| CaCO3 | white |
| Gases | most are colorless |
| NO2 (gas) | brown |
| Cl2 (gas) | yellow green |
| Na+ (flame) | yellow |
| K+ (flame) | purple (pink) |
| Ba2+ (flame) | green |
| Li+, Ca2+, Sr2+ (flame) | red |
| Cu2+ (flame) | blue-green |
| iodine in nonpolar solvent | hot pink/purple |
| bromine in nonpolar solvent | orange |
| chlorine in nonpolar solvent | pale yellow |
| starch+iodine (base) | colorless |
| starch+iodine (acid) | blue-black |
| Phenolphthalein in base | pink |
| phenolphthalein in acid | colorless |
| bromothymol blue in base | blue |
| bromothymol blue in acid | yellow |
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