Question

An aluminium can is used to store ferrous sulphate solution it is observed in few days that hole appear in a can explain why

Answer 1

Ferrous is less reactive as compared to aluminium, Because of high reactivity aluminium displaces iron from its sulphate solution and made its sulphate sulution i.e. , aluminium sulphate. and thats why holes appeared.

hope this helps you out!

Answer 2

Since aluminium is more reactive than iron,aluminium displaces iron from ferrous sulphate and forms aluminium sulphate and iron is precipitated out.

3FeSO4+2Al===>Al2(SO4)3+3Fe