Sulphur dioxide SO2 preparation properties structure and uses group 16 elements P block elements
Here you will study about the sulphur dioxide SO2 preparation properties structure and uses group 16 elements P block elements. You can understand the topic with the help of notes and video on sulphur dioxide as suit to preparation property structure and uses group 16 elements P block elements
Sulphur dioxide SO2 preparation properties structure and uses Group 16 elements
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Explanation of the notes on sulphur dioxide SO2 preparation properties structure and uses group 16 elements is in the video given below 👇
Sulphur dioxide SO2 preparation properties structure and uses of group 16 elements P block elements
Preparation of Sulphur dioxide SO2 Group 16 elements
SO2 can be prepared by burning sulphur in air or oxygen. In the laboratory it can be prepared by treating sulphide with dilute sulphuric acid. Industrially, Sulphur dioxide can be obtained as a byproduct of roasting of sulphide ores
Properties of Sulphur dioxide SO2 Group 16 elements
Sulphur dioxide is a colourless gas with pungent smell of burning sulphur. Also sulphur dioxide liquifies at room temperature and boils at 236 K
The Sulphur dioxide is highly soluble in water and forms sulphuric acid.
Sulphur dioxide reacts with chlorine to produce sulfuryl chloride in the presence of charcoal.
Also Sulphur dioxide reacts with sodium hydroxide to form sodium sulphite. And this sodium sulphite again reacts with acid to to form sodium hydrogen sulphite.
The Sulphur dioxide is oxidised to sulphur trioxide in the presence of vanadium oxide.
This Sulphur dioxide when moist behaves as a reducing agent as it converts Fe3+ to Fe2+ ions.
Also Sulphur dioxide also decolourises acidified potassium permanganate KMnO4 solution. Hence this is the confirmatory test for SO2. The reactions are given above in the notes.
Structure of sulphur dioxide SO2 molecule Group 16 elements
In Sulphur dioxide a SO2 molecule is angular in shape and are the resonance hybrid of the two structures which are given above in the notes. 2 sulphur oxygen bonds in sulphur dioxide SO2 molecule are equal in length because of the phenomenon of resonance.
Uses of Sulphur dioxide SO2 Group 16 elements
Sulphur dioxide is used in refining petroleum and sugar.It is also used as an disinfectant, preservative, antichlor, solvent and bleaching agent. Also sulphur dioxide SO2 is used in the preparation of many industrial chemicals like sodium hydrogen sulphide sulphuric acid and many more.
Practice Questions of Sulphur dioxide SO2 Group 16 elements
1. How is the presence of SO2 detected ?
2. How is SO2 an air pollutant ?
3. What happens when Sulphur dioxide is passed through an aqua solution of Fe 3+ salts ?
4. Comment on the nature of two S – O bonds formed in SO2 molecule are the two bonds in this molecule equal ?
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