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When SO2 is passed through acidified sol...

When `SO_2` is passed through acidified solution of potassium dichromate, than chromium sulphate is formed . The change in oxidation number of chromium is :

A

`+4` to `+2`

B

`+5` to`+3`

C

`+6` to`+3`

D

`+7` to`+2`

Text Solution

Verified by Experts

The correct Answer is:
C
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