Q. In an acidified solution of is added. Then

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solution turns green due to formation of

solution turns yellow due to formation of

a blue coloured compound is formed

solution gives green precipitate of

Solution:

Hydrogen peroxide acts as an oxidising as well as a reducing agent in both acidic and alkaline media.
When is added to an acidified potassium dichromate solution, the blue coloured compound or is formed. The chemical reaction is as follows

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