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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

`So_2`is reduced.

B

Green `Cr_2 (SO_4)_3` is formed.

C

The solution turns blue.

D

The solution is decolourized.

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The correct Answer is:
B
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