An aqueous solution of FeSO_4, Al_2(SO_4)_3 and chrome alum is heated with excess of Na_2O_2 and filtered. The materials obtained are:

JEE Main Chemistry question

An aqueous solution of , and chrome alum is heated with excess of and filtered. The materials obtained are:

Answer: (C)

Excess oxidises to yellow chromate/dichromate (soluble, giving a yellow filtrate along with colourless aluminate) and

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-147812