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प्रश्न
With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process.
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उत्तर
Formation of sulphur dioxide :
S + O2 → SO2
Conversion of SO2 to SO3
\[\ce{2SO2 + O2 ⇌[V2O3][400-450°C] 2SO3}\]
Conversion of sulphur trioxide to oleum:
SO3 + H2SO4 → H2S2O7
Dilution of oleum:
H2S2O7 + H2O → 2H2SO4
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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?
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. \[\ce{H2SO4}\] 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.
Define the following term : Oleum
Choose the current answer from the options given below :
In the preparation of H2SO4 by contact process V2O3 is used as a catalyst in the reaction. It is
Choose the current answer from the options given below :
In the contact process, the impurities of arsenic are removed by
What is the purpose of 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?
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
