AQA Chem5: Transition Metal Colours 4.0 / 5 based on 1 rating ? ChemistryTransition metalsA2/A-levelAQA Created by: annaCreated on: 18-06-13 16:35 What colour is the complex [Co(H2O)6]2+? Pink solution 1 of 23 What colour is the complex Co(H2O)4(OH)2 Blue-green precipitate 2 of 23 What colour is the complex [Co(NH3)6]2+ Pale brown solution 3 of 23 What colour is CoCO3? Pink precipitate 4 of 23 What colour is the complex [Cu(H2O)6]2+ Pale blue solution 5 of 23 What colour is the complex Cu(H2O)4(OH)2? Pale blue precipitate 6 of 23 What colour is the complex [Cu(NH3)4(H2O)2]2+? Deep blue solution 7 of 23 What colour is CuCO3? Blue-green precipitate 8 of 23 What colour is the complex [Fe(H2O)6]2+? Pale green solution 9 of 23 What colour is the complex Fe(H2O)4(OH)2? Green precipitate 10 of 23 What colour is FeCO3? Green precipitate 11 of 23 What colour is the complex [Al(H2O)6]3+? Colourless solution 12 of 23 What colour is the complex Al(H2O)3(OH)3? White precipitate 13 of 23 What colour is [Al(H2O)2(OH)4]-? Colourless solution 14 of 23 What colour is the complex [Cr(H2O)6]3+? Violet/ruby solution 15 of 23 What colour is the complex Cr(H2O)3(OH)3? Green precipitate 16 of 23 What colour is the complex [Cr(OH)6]3-? Green solution 17 of 23 What colour is the complex [Cr(NH3)6]3+? Purple solution 18 of 23 What colour is the complex [Fe(H2O)6]3+? Yellow solution 19 of 23 What colour is the complex Fe(H2O)3(OH)3? Brown precipitate 20 of 23 What colour is Cr2O7 2-? Orange 21 of 23 What colour is CrO4 2-? Yellow 22 of 23 What colour is MnO4 -? Purple/Pink 23 of 23
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