Question

Iron fillings were added to a solution of copper sulphate . After 10 mins , it was observed that the blue colour of the solution changes and the layer gets deposited on iron fillings. What are the

a) colour of the solution.
b) colour of that of the coating on iron filling.

Give reasons for both the answers

Answer 1

a) solution becomes blue green

b)the colour becomes brown

when iron reacts with coppersulphate solution the iron displaces copper and forms ferrous sulphate solution which is blue green in colour.