When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of :

When hydrogen peroxide is added to acidified potassium dichromate, a b

1.	When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of :
Answer» `CrO_(3)` `Cr_(2)O_(3)` `CrO_(5)` `CrO_(4)^(2-)` Answer :C