Question

What happens when iron nails are added to copper sulphate solution.What do u conclude about the reactivity of iron and copper?

Answer 1

when iron nails are added to copper sulphate solution,the deep blue colour of copper sulphate solution changes to green due to the formation of iron sulphate solution and a brown coating of copper metal is formed on the surface of iron nails. iron displaces copper from copper sulphate solution because iron is more reactive than copper.