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When H(2)O(2) is added to ice cold solut...

When `H_(2)O_(2)` is added to ice cold solution of acidified potassium dichromate containing ether. The contents are shaken allowed to stand, then

A

a blue colour is obtained in ether due to the formation of `Cr_(2)(SO_(4))_(3)`

B

a blue colour is obtained in ether due to the formation of `CrO_(5)`

C

`CrO_(3)` is formed which dissolves in ether to give blue colour

D

Chromyl chloride is formed.

Text Solution

Verified by Experts

The correct Answer is:
A
`Cr_(2)O_(7)^(2-)+2H^(+)+4H_(2)O_(2)tounderset("Blue colour")(2CrO_(5)+)5H_(2)O`
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