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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_2Cr_2O_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_2Cr_2O_7 + H_2SO_4 +3SO_2 to K_2SO_4 + H_2O + Cr_2(SO_4)_3` (green)
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