Four test tubes containing solutions (I), (II), (III) and (IV) are shown below along with their
colures. Zinc sulphate is contained in
(a) I
(b)II
(c) III
(d) IV
Zinc sulphate is formed as a colourless precipitate. Because ZnSO4 is having zinc in Zn2+ state with no unpaired electron. So its colourless. Option d is correct