Draw the structure of
Sulphurous acid

(a) How is ozonised oxygen prepared? (b) Write the structure of sulphurous acid.

Draw the structure of sulphuric acid. Draw simple flow diagram of contact process for the manufacturing of sulphuric acid.

Give the structure for (a) Sulphurous acid (b) Sulphuric acid (c) Peroxydisulphuric acid (d) Pyrosulphuric acid (Oleum).

Draw the structure of : Hypochlorous acid

Write the structure of sulphurous acid.

(i) What happens when potassium chlorate is heated in presence of MnO_(2) , write the equation for the reactions also. (ii) Draw the structure of sulphuric acid.

Draw the structure of : Chlorous acid

Give the structure of sulphurous acid (H_2 SO_3)