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When hydrogen peroxide is added to acidi...

When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of

A

`CrO_3`

B

`Cr_2 O_3`

C

` CrO_5`

D

`CrO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
C
`K_2 Cr_2O_7 + H_2 SO_4 + 4H_2 O_2 to underset( " chromium pentoxide")(2 CrO_5 )+ K_2 SO_4 + 5H_2 O`
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