An aqueous solution of FeSO(4),Al(2)(SO(...

An aqueous solution of `FeSO_(4),Al_(2)(SO_(4))_(3)` and chrome alum is heated with excess of `Na_(2)O_(3)` and filtered. The material 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 a brown residue

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The correct Answer is:

B

Yellow filtrate is due to chromate ions` (CrO_(4)^(-))`and green residue is due to `Fe(OH)_(2)` .

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