Question

The brown layer deposited on an iron nail dipped in copper sulphate solution is due​

Answer 1

Answer:

When an iron nail is dipped in a solution of copper sulphate, a brown coating of copper is formed on the surface of the iron, the color of the copper sulphate solution changes from blue to light green. The reaction shows that iron is more reactive than copper because it displaces copper from a solution of copper sulfate.

Answer 2

When iron nails are put in a solution of copper sulphate, a chemical change takes place as a brown coating deposits on the iron nails, and the copper sulphate solution turns from blue to green.

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