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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
\[\ce{4FeS2 + 11O2 ->[][Roasting] 2Fe2O3 + 8SO2_{(g)}}\]
संबंधित प्रश्न
Sulphuric acid is manufactured by contact process.
what is the chemical used to dissolve SO3 and what is The product formed?
Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
In the production of HCl gas when it reacts with chloride.
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 following:
The catalyst used in the constant 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.
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.
Write balanced chemical equation for the reaction between zinc and dilute sulphuric acid.
(i) What is the purpose of the contact process ?
(ii) Name the catalyst used in the contact process.
(iii) Write the balanced equation for the reaction in the contact process, which takes place in the presence of catalyst.
