Colours of metal ions in solution 0.0 / 5 ? ChemistryTesting and analysing substancesIGCSEAll boards Created by: KarliduPlessisCreated on: 10-05-17 08:34 Iron (II) Fe 2+ green 1 of 8 copper (II) Cu 2+ blue 2 of 8 cobalt (II) Co 2+ pink 3 of 8 chromium (III) Cr 3+ green 4 of 8 chromate (VI) CrO4 2- yellow 5 of 8 Iron (III) Fe 3+ red-brown 6 of 8 manganate (VII) MnO4 - purple 7 of 8 dichromate (VI) Cr2O7 2- orange 8 of 8
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