Which one of the following statements is correct when $ ext{SO}_2$ is passed through acidified $ ext{K}_2 ext{Cr}_2 ext{O}_7$ solution?

Question

Which one of the following statements is correct when $	ext{SO}_2$ is passed through acidified $	ext{K}_2	ext{Cr}_2	ext{O}_7$ solution?

Accepted Answer

Green $	ext{Cr}_2(	ext{SO}_4)_3$ is formed.

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