Question

What do you see when an iron nail is put inside copper sulphate solution?write reaction and observation

Answer 1

When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO4) there takes reaction between them and coppersulphate change its color from blue to light green. This shows Ironis more reactive than Copper, it can replace Copper from CuSO4. CuSO4 is in blue Color and FeSO4 is in light green color

Answer 2

when we put an iron nail in copper sulphate solution, then the iron displaces copper from copper sulphate because iron is more reactive than copper.
it's chemical equation :
CuSO4+Fe - FeSO4 +Cu ...
thank you hope it helps...