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When H2O2 is added to ice cold solution ...

When `H_2O_2` is added to ice cold solution of acidified potassium dichromate in ether and the contents are shaken and allowed to stand :

A

a blue colour is obtained in ether due to formation of `Cr_2(SO_4)_3`

B

a blue colour is obtained in ether due to formation of `CrO_5`

C

a blue colour is obtained in ether due to formation of `CrO_3`

D

chromyl chloride is formed

Text Solution

Verified by Experts

The correct Answer is:
B
`Cr_2O_7^(2-) + 2H^(+) + 4H_2O_2 to underset("Blue colour in ether")(2CrO_5) + 5H_2O`
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