Question

What is the colour of copper Sulphate solution? Why does its colous change iron filling are added to it? Write chemical equation for the reaction and also tell about the type of the reaction?

Answer 1

When copper sulphate is added to iron a displacement reaction takes place in the reaction the colour of copper sulphate changes to redish brown because iron is higher in the reactivity series

Reaction

Copper sulphate +iron fillings-------iron sulphate +copper