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प्रश्न
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.
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उत्तर
That conc. H2SO4 is a dehydrating agent.
\[\ce{HCOOH ->[Conc.H2SO4] CO + H2O}\]
संबंधित प्रश्न
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:
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.
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).
What is the purpose of 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?
