${CrO}_{4}^{2 -} + H^{+} + H_{2} O_{2} \overset{ether}{⟶} X + H_{2} O$ Identify the correct statement with respect to X.

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It is chromium peroxide which produces blue colouration in ether layer on gentle shaking

It is a red colour compound which can be extracted easily into the etherial phase

It is ${Cr}_{2} O_{3}$ which is used as a green pigment.

It is an acid anhydride of chromic acid.

answer is C.

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Detailed Solution

The synthesis of CrO₅, which quickly fades away and breaks down into Cr³⁺ and O₂(g) in the aqueous solution, is what gives the substance its deep blue hue. As a result, ether is added to the CrO₅ extraction since it will be stable in that environment.

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