When sulphur dioxide gas is passed throught acidified potassium dichromate solution, the colour of the solution changes from:

When SO_2 gas is passed through acidified K_2Cr_2O_7 solution, the colour of the solution changes to

When SO_(2) gas is allowed to react with acidified potassium dichromate solution , the yellow colour of the solution changes to green. This is due to the formation of

Answer the following : What happens when sulphur dioxide gas is passed through acidified potassium permanganate solution? Write equation.

When SO_(2) is passed in acidified potassium dichromate solution, the oxidation number of S is changed from

When SO_2 is passed an acidified potassium dichromate solution, the oxidation state of sulphur is changed from