Name the gas in each of the following:
A gas which turns acidified potassium dichromate clear green:

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Solution

The orange solution of acidified potassium dichromate turns green when $S O_{2}$ is passed through it due to the formation of $C r_{2} (S O_{4})_{3}$ which is green in colour.

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Name the gas in each of the following:A gas which turns acidified potassium dichromate clear green:

The orange solution of acidified potassium dichromate turns green when SO2 is passed through it due to the formation of Cr2(SO4)3 which is green in colour.

Name the gas in each of the following:
A gas which turns acidified potassium dichromate clear green:

The orange solution of acidified potassium dichromate turns green when $S O_{2}$ is passed through it due to the formation of $C r_{2} (S O_{4})_{3}$ which is green in colour.