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प्रश्न
Sulphuric acid is manufactured by the contact process.
Give two balanced equations to obtain SO2 in this process.
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उत्तर
By burning sulphur in excess of air.
\[\ce{S + O2 -> SO2_{(g)}}\]
By roasting FeS2 iron Pyrites in excess of air
\[\ce{4FeS2 + 11O2 ->[][Roasting] 2Fe2O3 + 8SO2_{(g)}}\]
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संबंधित प्रश्न
Sulphuric acid is manufactured by the contact process.
Give the conditions for the oxidation of SO2.
Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?
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. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
In the preparation of sulphur dioxide by warming a mixture of conc. sulphuric acid and copper turnings.
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).
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.
Name the process used for the large scale manufacture of sulphuric acid.
The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is ______.
