Transition Metal Colours 0.0 / 5 ? ChemistryTransition metalsA2/A-levelAQA Created by: spooky0114Created on: 03-05-14 12:14 Cobalt [Co(H2O)6]2+ PINK SOLUTION 1 of 23 Cobalt + OH- Co(H2O)4(OH)2 BlUE PRECIPITATE 2 of 23 Cobalt + NH3 [Co(NH3)s]2+ STRAW SOLUTION 3 of 23 Cobalt + Na2CO3 CoCO3 PINK PRECIPITATE 4 of 23 Chromium [Cr(H2O)6]3+ GREEN SOLUTION 5 of 23 Chromium + OH- Cr(H2O)3(OH)3 GREEN PRECIPITATE 6 of 23 Chromium + Excess OH- [Cr(OH)6]3- GREEN SOLUTION 7 of 23 Chromium + NH3 [Cr(NH3)6]3+ PURPLE SOLUTION 8 of 23 Chromium + Na2CO3 Cr(H2O)3(OH)3 GREEN PRECIPITATE 9 of 23 Copper [Cu(H2O)6]2+ BLUE SOLUTION 10 of 23 Copper + OH- Cu(H2O)4(OH)2 BLUE PRECIPITATE 11 of 23 Copper + NH3 [Cu(NH3)4(H2O)2]2+ DARK BLUE SOLUTION 12 of 23 Copper + Na2CO3 CuCO3 GREEN/BLUE PRECIPITATE 13 of 23 Aluminium [Al(H2O)6]3+ COLOURLESS SOLUTION 14 of 23 Aluminium + OH- Al(H2O)3(OH)3 WHITE PRECIPITATE 15 of 23 Aluminium + Excess OH- [Al(H2O)2(OH)4]- COLOURLESS SOLUTION 16 of 23 Aluminium + Na2CO3 Al(H2O)3(OH)3 WHITE PRECIPITATE 17 of 23 Fe2+ [Fe(H2O)6]2+ GREEN SOLUTION 18 of 23 Fe2+ + OH- Fe(H2O)4(OH)2 GREEN PRECIPITATE 19 of 23 Fe2+ + Na2CO3 FeCO3 GREEN PRECIPITATE 20 of 23 Fe3+ [Fe(H20)6]3+ YELLOW SOLUTION 21 of 23 Fe3+ + OH- Fe(H2O)3(OH)3 BROWN PRECIPITATE 22 of 23 Fe3+ + Na2CO3 Fe(H2O)3(OH)3 BROWN PRECIPITATE 23 of 23
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