Metal Aqua Ions Test 0.0 / 5 ? ChemistryTransition metalsA2/A-levelAQA Created by: Kelly DaviesCreated on: 17-06-14 10:27 7942105186 Across 1. What colour is the chromium 2+ ion? (4) 4. What colour is hexaamminocolbalt (II) (5, 8) 5. What colour is tetrachlorocupperate? (6) 6. What colour precipitate does aluminium form when its metal aqua ion reacts with sodium carbonate. (5) Down 1. What colour precipitate does triaqua-trihydroxy Iron (III) form? (5) 2. Apart from Iron (II) what other transition metal has an aqua ion that forms a green precipitate? (8) 7. What colour is the Vandium 2+ ion? (6) 8. What colour precipitate is formed by tetraaqua,dihydroxy Iron (II) (5) 9. What colour solution would I expect if I added excess OH- ions to Hexaquachromium (III) (5) 10. What colour does hexaquacopper (II) turn when ammonia is added in excess. (4, 4)
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