An aqueous solution FeSO4 . Al2(SO4 )3 and chrome alum is heated with excess of Na2 O2 and filtered. The materials obtained are

Question

An aqueous solution FeSO4 . Al2(SO4 )3 and chrome alum is heated with excess of Na2 O2 and filtered. The materials obtained are (A) a colourless filtrate 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 brown residue

Tardigrade Admin · Accepted Answer

Yellow filtrate contains CrO5 and brown residue contain Fe2 O3.

Q. An aqueous solution $F e S O_{4} . A l_{2} (S O_{4})_{3}$ and chrome alum is heated with excess of $N a_{2} O_{2}$ and filtered. The materials obtained are

a colourless filtrate and a green residue

a yellow filtrate and a green residue

a yellow filtrate and a brown residue

a green filtrate and brown residue

Yellow filtrate contains $C r O_{5}$ and brown residue contain $F e_{2} O_{3} .$

Q. An aqueous solution FeSO4​.Al2​(SO4​)3​ and chrome alum is heated with excess of Na2​O2​ and filtered. The materials obtained are