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Calcination

An aqueous so...

Question

An aqueous solution Ferrous alum and chrome alum in heated with excess of sodium peroxide and filtered. The materials obtained by :

A

A colourless filtrated and a green residue

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B

A yellow filtrate and a green residue

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C

A yellow filtrated and brown residue

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D

A green filtrate and brown residue

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Solution

The correct option is C A yellow filtrated and brown residue
An aqueous solution Ferrous alum and chrome alum in heated with excess of sodium peroxide and filtered. The materials obtained as a yellow filtrate and brown ppt.

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