Chromium 3.0 / 5 based on 1 rating ? ChemistryA2/A-levelEdexcel Created by: Kieran PitchersCreated on: 30-04-13 14:12 What colour is Cr2+? Blue 1 of 5 What colour is Cr3+? Green 2 of 5 What colour are Dichromate ions? Orange 3 of 5 What colour is a Chromate ion? Yellow 4 of 5 What is a common chromium based oxidising agent? Potassium dichromate 5 of 5
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