Unit 5 Section 4 [Cr(H2O)6],3+ Complex Ion Solution and Precipitate - Violet 0.0 / 5 ? ChemistryInorganic ReactionsA2/A-levelAQA Created by: mtgriffithsCreated on: 24-02-16 11:45 [Cr(H2O)6],3+ Violet Solution 1 of 5 With OH-(aq) or NH3(aq) Cr(H2O)3(OH)3 Green Precipitate 2 of 5 With excess OH-(aq) [Cr(OH)6],3- Green Solution 3 of 5 With excess NH3(aq) [Cr(NH3)6]3+ Purple Solution 4 of 5 With Na2CO3(aq) Cr(H20)3(OH)3 Green Precipitate + CO2(g) bubbles 5 of 5
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