Sulphur Dioxide is an acidic oxide which reacts with water to give sulphurous acid. H2SO3 Sulphur dioxide is a good reducing and oxidising agent. The structural formula of sulphur dioxide is SO2, and it is a covalent, planer molecule which is v-shaped with an angle of 120 degrees. Uses of Sulphur Dioxide Sulphur dioxide is a reducing agent and is used for bleaching and as a fumigant and food preservative. Large quantities of sulphur dioxide are used in the contact process for the manufacture of sulphuric acid.
Sulphur dioxide is used in bleaching wool or straw, and as a disinfectant.
Liquid sulphur dioxide has been used in purifying petroleum products. All Rights Reserved.