An aqueous solution of \( \mathrm{FeSO}_{4}, \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) ... VIDEO
An aqueous solution of \( \mathrm{FeSO}_{4}, \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3} \) and chrome alum is heated with excess of \( \mathrm{Na}_{2} \mathrm{O}_{2} \) and filtered. The materials obtained are -
(A) A colourless filterate and a green residue
(B) A yellow filtrate and a green residue
(C) A yellow filtrate and a brown residue
(D) A green filtrate and a brown residue
(b)
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