Question

colour of copper sulphate solution change when an iron nail is dipped in it give reason​

Answer 1

Answer:

green

So, when an iron nail is dipped in a copper sulphate solution, iron displaces copper from its solution to form iron sulphate, which is green in color. Hence, the blue color of copper sulphate solution changes into green color because of this displacement reaction.

Explanation:

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Answer 2

Explanation:

is placed in copper sulphate solution at that time iron displace copper from it is solution and become iron sulphate and leave copper. this reaction happens because iron is more reactive than copper so it displaces copper from it is Sodium.