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Which of the following statements is cor...

Which of the following statements 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 turns blue

C

The solution is decolourised

D

`SO_2` is reduced

Text Solution

Verified by Experts

The correct Answer is:
A
`K_2 Cr_2 O_(7) +H_(2) SO_(2) + 3SO_2 to K_2 SO_(4) + underset("green")(Cr_2 (SO_(4))_3 ) H_2 O`
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