When `H_(2)O_(2)` is added to a acidified solution of `K_(2)Cr_(2)O_(7)`:

When H_(2)O_(2) is shaken with an acidified solution of K_(2)Cr_(2)O_(7) is presence of ether, layer turns blue due to the formation of-

When H_(2)O_(2) is shaken with an acidified solution of K_(2)Cr_(2)O_(7) in the presence of ether , the ethereal layer turns blue due to the formation of

When SO_(2) gas is passed through an acidified solution of K_(2)Cr_(2)O_(7) the orange colour of the solution changes to

What happens when H_(2)O is treated with acidified solution of K_(2)Cr_(2)O_(7) containing some ether?

On passing SO_(2) gas through an acidified solution of K_(2)Cr_(2)O_(7)