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In acidic medium, H(2)O(2) changes Cr(2)...

In acidic medium, `H_(2)O_(2)` changes `Cr_(2)O_(7)^(2-)` to `CrO_(5)` which has two (-O-O-) bonds. Oxidation state of Cr in `CrO_(5)` is

A

`-10`

B

`+5`

C

`+3`

D

`+6`

Text Solution

Verified by Experts

The correct Answer is:
D

structure of `CrO_(3)`
It contains two peroxy linkages
Oxidation state `=x+4(-1) +(-2)=0`
x-6=0
x=+6
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