Chemistry Transition Metals- colours 0.0 / 5 ? ChemistryTransition metalsA2/A-levelAQA Created by: Tazneem ChowdhuryCreated on: 16-03-14 12:12 [Co(H20)6]2+ pink solution 1 of 30 [Cu(H2O)6]2+ blue solution 2 of 30 [Fe(H2O)6]2+ green solution 3 of 30 [Al(H2O)6]3+ colourless solution 4 of 30 [Cr(H2O)6]3+ violet solution 5 of 30 [Fe(H2O)6]3+ yellow solution 6 of 30 Co(H2O)4(OH)2 blue-green precipitate 7 of 30 Cu(H2O)4(OH)2 blue precipitate 8 of 30 Fe(H2O)4(OH)2 green precipitate 9 of 30 Al(H2O)3(OH)3 white precipitate 10 of 30 Cr(H2O)3(OH)3 green precipitate 11 of 30 Fe(H2O)3(OH)3 brown precipitate 12 of 30 [Co(H20)6]2+ with excess OH- no change 13 of 30 [Cu(H2O)6]2+ with excess OH- no change 14 of 30 [Fe(H2O)6]2+ with excess OH- no change 15 of 30 [Al(H2O)6]3+ with excess OH- [Al(H2O)2(OH)4]- colourless solution 16 of 30 [Cr(H2O)6]3+ with excess OH- [Cr(OH)6]3- green solution 17 of 30 [Fe(H2O)6]3+ with excess OH- no change 18 of 30 [Co(H20)6]2+ with excess NH3 [Co(NH3)6]2+ straw coloured/pale brown solution 19 of 30 [Cu(H2O)6]2+ with excess NH3 [Cu(NH3)4(H2O)2]2+ deep blue solution 20 of 30 [Fe(H2O)6]2+ with excess NH3 no change 21 of 30 [Al(H2O)6]3+ with excess NH3 no change 22 of 30 [Cr(H2O)6]3+ with excess NH3 [Cr(NH3)6]3+ purple solution 23 of 30 [Fe(H2O)6]3+ with excess NH3 no change 24 of 30 [Co(H20)6]2+ with Na2CO3 CoCO3 pink precipitate 25 of 30 [Cu(H2O)6]2+ with Na2CO3 CuCO3 green-blue precipitate 26 of 30 [Fe(H2O)6]2+ with Na2CO3 FeCO3 green precipitate 27 of 30 [Al(H2O)6]3+ with Na2CO3 Al(H2O)3(OH)3 white precipitate 28 of 30 [Cr(H2O)6]3+ with Na2CO3 Cr(H2O)3(OH)3 green precipitate 29 of 30 [Fe(H2O)6]3+ with Na2CO3 Fe(H2O)3(OH)3 brown precipitate 30 of 30
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