Color Compounds
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48 terms
Terms | Definitions |
|---|---|
 Li+ (flame test) | Crimson |
| Na+ (flame test) | Yellow |
| K+ (flame test) | Violet |
| Ca2+ (flame test) | Orange Red |
| Sr2+ (flame test) | Red |
| Ba2+ (flame test) | Green |
| Cu2+ (flame test) | Blue-Green |
| Cu+ (aqueous) | Green |
| Cu2+ (aqueous) | Blue |
| Fe (aqueous) | Yellow to Orange-Red (depends on anion and charge) |
| Fe2+ (aqueous) | Yellow-Green |
| Fe3+ (aqueous) | Orange Red |
| Co2+ (aqueous) | Pink |
| Cr3+ (aqueous) | Violet |
| Ni2+ (aqueous) | Green |
| Mn2+ (aqueous) | Pink |
| Pb3+ (aqueous) | Blue-Green |
| Pb2+ & Pb4+ | Colorless |
| V2+ (aqueous) | Violet |
| V3+ (aqueous) | Blue-green |
| Zn2+ (aqueous) | Milky/Colorless |
| (MnO4)- (aqueous) | Purple |
| (CrO4)2- (aqueous) | Yellow |
| (Cr2O7)2- (aqueous) | Orange |
| (Cu(NH3)4)2+ (aqueous) | Dark Blue (Cu2+) = blue |
| FeSCN2+ (aqueous) | Red-Brown |
| (CoCl4)2- | Blue hint: "cobalt" 's definition = blue EXCEPT Co2+ = Pink |
| (Ti(H2O)6)3+ | Purple |
| Colorless Aqueous Ions | Al, K, Li, Mg, Na, Ca, Ba, Sr, Zn |
| Which type of elements release colored light? | Transition elements Their partially filled d orbitals allow electrons to jump back and forth between energy levels, hence releasing colored light (? something like that) |
| F2 | Pale-Yellow Gas |
| Cl2 | Green-Yellow gas |
| Br2 | Red-Brown Liquid |
| I2 (Iodine) | Dark Violet vapor & Dark metallic Solid |
| S8 | Yellow, odorous solid |
| NO | Colorless gas |
| NO2 | Brown gas |
| PbI2 | Bright Yellow precipitate |
| Metallic Sulfides | Sulfides of transition metals end to be Black |
| AgX (Silver Halide) | White |
| AgNO3 | White, turns black in sunlight |
| CuO | Green |
| HgO | Dark Red |
| Fe2O3 | Reddish Brown (Rust) |
| Metallic Oxides | Oxides of colored transition metal ions tend to be colored |
| Phenolphthalein | Colorless [pH < 7] Pink [pH>8] |
| Red Litmus paper | Turns purple in alkaline solution |
| Blue Litmus paper | turns pink in acidic solution |
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