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Which one of the following statements is...

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

A

`SO_(2)` is reduced

B

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

C

The solution turns blue

D

The solution is decolourised

Text Solution

Verified by Experts

The correct Answer is:
B
`K_(2)Cr_(2)O_(7) + H_(2)SO_(4) + 3SO_(2) rarr K_(2)SO_(4) + H_(2)O + Cr_(2)(SO_(4))_(3)` (green)
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