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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.
\[\ce{HCOOH ->[Conc.H2SO4] CO + H2O}\]
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संबंधित प्रश्न
Sulphuric acid is manufactured by the contact process.
Give two balanced equations to obtain SO2 in this process.
Sulphuric acid is manufactured by the contact process.
Give the conditions for the oxidation of SO2.
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.
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
Write the equation for the reaction between zinc and the final product 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?
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.
Name the process used for the large scale manufacture of sulphuric acid.
