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Acidified potassium dichromate on reacti...

Acidified potassium dichromate on reacting with a suplhite is reduced to

A

`CrO_(2) C1_(2)`

B

`CrO_(4)^(2-)`

C

`Cr^(3+)`

D

`Cr^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Cr_(2)O_(7)^(2) + 8H+ + 2SO_(3)^(2-) rarr 2Cr^(+3) + 3SO_(4)^(2-) + 4H_(2)O`
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