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When SO2 is passed in acidified potassiu...

When `SO_2` is passed in acidified potassium dichromate solution, the oxidation state of S is changed from :

A

`+4 to 0`

B

`+4` to `+2`

C

`+4` to `+6`

D

`+6` to `+4`

Text Solution

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The correct Answer is:
C
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