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2 solutions

Colors of Complex Ions

Q. Why does treating an aqueous solution of copper (II) sulfate with diluted ammonia (PH~11) lead to a dark blue colouration of the reaction mixture, whilst treating the same aqueous solution of copper (II) sulfate with a diluted solution of sodium hydroxide (having the same PH value) does not?

Solved • Aug 24, 2019

Colors of Complex Ions

Q. If a solution absorbs only green light, what color will it be?

Solved • Aug 18, 2019