Question

a)If iron nail is immersed in aqueous solution of copper sulphate what are the changes happening to the nail and the to the solution.
b)Write the balance chemical equation for the relation between the iron metal and regulations copper sulphate solution

Answer 1

1) if iron nail is kept immersed in solution of copper sulphate a green layer appears on the top of solution and forms iron sulphate.


2) Fe + CuSo4 ------ FeSo4 + Cu
(4 is small)

Answer 2

A) 1) the colour of the copper sulphate solution changes from blue to green.
2) a layer of copper is stuck to the iron nail .

B) Fe + CuSO4 -----> FeSO4 + Cu