Explain the conditions favourable for the formation of `SO_(3)` from `SO_(2)` in the contact process of `H_(2)SO_(4)`.

Write balanced chemical equation with conditions for the industrial manufacture of SO_3 from SO_2 by the contact process. How is H_2SO_4 prepared from the SO_2 produced?

State condition and reaction for synthesis of SO_3 from SO_2 in contact process. What is Oleum?

In the formation of SO_(3) by contact process, the conditions used are

In the formation of SO_(3) by contact process, the conditions used are

Write condition and balanced chemical equation for synthesis of SO_3 from SO_2 in contact process. How H_2SO_4 is prepared from SO_3 ?

The purity of H_(2)SO_(4) obtained by contact process is

How is Cone. H_(2)SO_(4) manufactured by contact process ?