Why in the manufacture of `H_2 SO_4` by contact process, sulphur trioxide is not directly dissolved in water ?

Describe the manufacture of H_2SO_4 by contact process?

In the manufacture of sulphuric acid by the contact process, sulphur trioxide is not directly dissolved in water. Why ?

In the manufacture of sulphuric acid by the contact process, sulphur trioxide is not directly dissolved in water. Why?

Describe the manufacture of 'H_2 SO_4' by contact process.

During manufacture of H_(2)SO_(4) by contact process, why is SO_(3) not directly dissolved in water ?

Describe the manufacturing of H_2SO_4 by contact process.

Describe manufacture of H_(2)SO_(4) by contact process.

Describe the manufacture of H_(2)SO_(4) by contact process?