Question

copper sulphate solution + iron = _____ + _____​

Answer 1

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

Answer 2

Answer:

The given reaction is a displacement reaction in which iron displaces copper from its solution.

copper sulphate solution + iron ⇒  iron sulphate + copper