Advertisements
Advertisements
Question
Sulphuric acid is manufactured by the contact process.
Give two balanced equations to obtain SO2 in this process.
Advertisements
Solution
By burning sulphur in excess of air.
\[\ce{S + O2 -> SO2_{(g)}}\]
By roasting FeS2 iron Pyrites in excess of air
\[\ce{4FeS2 + 11O2 ->[][Roasting] 2Fe2O3 + 8SO2_{(g)}}\]
RELATED QUESTIONS
Sulphuric acid is manufactured by contact process.
write the main reactions of this process.
Why is sulphuric acid used in the preparation of HCl and HNO3? Give equations in both cases.
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
In the preparation of CO and HCOOH.
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction in given case:
hydrogen sulphide gas is passed through concentrated sulphuric acid.
Describe the theory of manufacture of sulphuric acid by contact process, with all the necessary conditions (No technical details are required but equations should be given for each stage of process).
Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.
Name the two gases that are combined during the contact process.
Write the equation for the reaction between zinc and the final product of the contact process.
Write balanced equations for the three chemical reactions that take place during the conversion of sulphur dioxide to sulphuric acid in the contact process. Name the catalyst used in the contact process.
Name the oxide of sulphur which reacts water to give sulphuric acid.
In the contact process, the direct reaction between oxide of sulphur and water is avoided. In this process what does the oxide of sulphur react with instead of water, and what is the name of the product?
