Why so3 is not directly dissolve in water

Dear Student

1. It is highly exothermic reaction. 

The reaction between sulfur trioxide and water is very highly exothermic. 
SO3 (g) + H2O (l) → H2SO4 (l) 

2. SO3 does not form homogenous mixture with water.
3. A dense fog of sulphuric acid particles is formed and it can cause 'Phossy jaw' disease.


  • 1
What are you looking for?