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What is the colour change for this reaction?
Explain the reaction.
Pale Blue to Dark Blue
A pale blue prcipitate of Cu(OH)2 is formed.
The Cu(OH)2 percipitate then dissolves in excess ammonia to form a dark Blue Solution.
Pale Blue Octahedral to Yellow Tetrahedral
Green percipitate to dark green solution
What is the colour of this 3D structure?
Blue
Yellow
Explain how to carry out a redox titration involving Manganate VII (MnO4-).
Add a known volume of Manganate ions /MnO4- (Purple)in aqueous potassium manganate to a known volume of reducing agents i.e. Fe2+. Gradually add untill all the reducing agent is used up causing a colour change i.e. colourless to purple. This is the end point of the reaction.
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