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प्रश्न
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.
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उत्तर
Balanced eqations for the chemical reactions that take place during the conversion of sulphur dioxide to sulphuric acid are :
- 2SO2 + O2 ⇌ 2SO3 + Heat
- SO3 + H2SO4 → H2S2O7
- H2S2O7 + H2O → 2H2SO4
Vanadium pentoxide is used as a catalyst.
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संबंधित प्रश्न
Sulphuric acid is manufactured by contact process.
why is Sulphuric acid not obtained directly by reacting SO3 with water.
Sulphuric acid is manufactured by contact process.
what is the chemical used to dissolve SO3 and what is The product formed?
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:
As a source of hydrogen by diluting it and adding a strip of magnesium.
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.
Name the following:
The catalyst used in the constant process.
Choose the current answer from the options given below :
In the contact process, the impurities of arsenic are removed by
Name the two gases that are combined during 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.
With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process.
