Why does the colour of copper sulphate solution change when an iron nail is dipped into it?
Why does the colour of copper sulphate solution change when an iron nail is dipped into it?
Harshit Singh , 4 Years ago
Grade 12th pass
10 grade science> Why does the colour of copper sulphate so...
1 AnswersPawan Prajapati
In this reaction, iron displaces copper from copper sulphate solution. The deep blue colour of copper sulphate solution fades due to the formation of light green solution of iron sulphate. A red-brown coating of copper metal is formed on the surface of the iron metal. This displacement reaction occurs because iron is more reactive than copper.
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