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Which one of the following statement is...

Which one of the following statement is correct when `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution?

A

Green `Cr_(2)(SO_(4))_(3)` is formed

B

The solution turn blue

C

The solution is decolourized

D

`SO_(2)` is reduced

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("red colour")underset("Orange")(K_(2)Cr_(2)O_(7)) + H_(2)SO_(4) + 3SO_(2) rarr K_(2)SO_(4) + underset("colour")underset("Green")(Cr_(2)(SO_(4))_(3)) + H_(2)O`
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