Colour Changes- A2 Chemistry
- Created by: Livvib
- Created on: 13-04-15 10:53
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- Colour Changes
- Vanadium
- Vanadium (V)
- VO2 +
- Vanadium (IV)
- [VO(H2O)5]2+
- VO 2+
- Vanadium (III)
- [V(H2O)6]3+
- V 3+
- Vanadium (II)
- [V(H2O)6]2+
- V 2+
- Vanadium (V)
- Chromium
- Chromium (IV)
- Cr2O7 2-
- Cr 3+
- Cr2O7 2-
- Chromium (VI)
- [CrO4]2+
- [Cr(H2O04Cl2]1+
- [CrO4]2+
- Chromium (III) appears green
- [Cr(H2O)6]3+
- [Cr(H2O)6]2+
- Chromium (II)
- [Cr(NH3)6]3+
- [Cr(H2O05OH]2+
- [Cr(H2O)4(OH)2+
- [Cr(H2O)3(OH)3] (s) (grey/green ppt)
- [Cr(H2O)2(OH)4]-
- [Cr(H2O)3(OH)3] (s) (grey/green ppt)
- [Cr(H2O)4(OH)2+
- [Cr(H2O)6]2+
- Cr 3+
- [Cr(H2O)6]3+
- Chromium (II)
- Chromium (IV)
- Manganese
- [MnO4]-1
- [Mn(H2O)6]2+ (very very pale pink appears colourless in solution)
- [MnO4]-1
- Iron
- [Fe(H2O)6]2+
- [Fe(H2O)6]3+ (in solution)
- [Fe(H2O)5NCS]2+
- [Fe(H2O)5OH]2+ (yellow/ brown)
- [Fe(H2O)4(OH)3] (s) (red/brown ppt)
- [Fe(H2O)6]3+ (pale violet as pure crystals but appears yellow in solution because of intensity)
- [Fe(bipy)3]2+
- FeSO4.7H2O
- Fe(NO3)3.9H2O (pale)
- [Fe(H2O)6]3+ (in solution)
- [Fe(H2O)6]2+
- Copper
- [Cu(H2O)6]2+
- [CuCl4]2- (green/ yellow)
- [Cu(NH304(H2O)2]2+ (blue/violet)
- CuO (gives blue solution in water)
- CuCl2 (gives blue solution in water)
- [Cu(H2O)6]2+
- [CuCl4]2- (green/ yellow)
- [Cu(NH304(H2O)2]2+ (blue/violet)
- CuO (gives blue solution in water)
- [Cu(H2O)6]2+
- [Cu(H2O)6]2+
- Cobalt
- [Co(H2O)6]2+
- [CoCl4]2-
- CoCl2.6H2O
- Co 3+ (in acidic/ neutral solutions)
- Co 2+ (in acidic/ neutral solutions)
- Co(OH)3 (in alkaline solution)
- [Co(NH3)6]3+ (in ammonium solution)
- [Co(NH3)6]2+ (straw) (in ammonium solution)
- CoCl2(s)
- [Co(H2O)6]2+
- [CoCl4]2-
- CoCl2.6H2O
- [Co(H2O)6]2+
- [Co(H2O)6]2+
- Aluminium
- [Al(H2O)6]3+
- [Al(H2O)3(OH)3] (s) (white ppt)
- [Al(H2O)2(OH)4]1- (colourless solution)
- [Al(H2O)3(OH)3] (s) (white ppt)
- [Al(H2O)6]3+
- Vanadium
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