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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

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_2Cr_2O_7 + H_2SO_4 +3SO_2 to K_2SO_4 + Cr_2 underset ("Green") ((SO_4)_3) + H_2 O`.
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