The diagram above. Y is
- fused CaO
- H2O
- NaOH
-
Concentrated H2SO4
The correct answer is: D
Explanation
In the preparation of sulphur dioxide by the action of dilute acids on sulphates and bisulphites. conc H2SO4 helps to release SO2 from the mixture.
The setup represents the production of sulphur dioxide
There is an explanation video available .