When `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution

When SO_(2) is passed through an acidified K_(2)Kr_(2)O_(7) solution, the oxidation state of sulphur changes from

When SO_(4) is passed through acidified K_(2)Cr_(2)O_(7) solution

When H_(2)S is passed through acidified K_(2)Cr_(2)O_(7) solution, the solution turns :

When H_(2)S is passed through acidified K_(2)Cr_(2)O_(7) solution, the solution turns :

What happens when H_(2)S gas is passed through acidified K_(2)Cr_(2)O_(7) solution ?

What is the colour change observed when SO_2 is passed through acidified K_2Cr_2O_7 solution?

Which one of the following statement is correct when SO_2 is passed through acidified K_2Cr_2O_7 solution?

Which of the following statements is correct when SO_2 is passed through acidified K_2Cr_2O_7 solution?

When SO_(2) is passed into acidified K_(2)Cr_(2)O_(7) solution, oxidation state of sulphur changes from