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प्रश्न
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
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उत्तर
Hot concentrated nitric acid oxidizes sulphur directly into sulphuric acid.
\[\ce{S + 6HNO3 ->[\Delta] H2SO4 + 6NO2 + 2H2O}\]
The name of the process by which sulphuric acid is manufactured is contact process.
Vanadium pentoxide is the catalyst used during the process.
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संबंधित प्रश्न
Quicklime is not used to dry HCl gas because _____.
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
Give examples of the use of sulphuric acid as
An oxidizing agent
- Name the catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.
- In the contact process for the manufacture of sulphuric acid, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. Write the equations for the two steps involved in D.
- What type of substance will liberate sulphur dioxide from sodium sulphite in step E?
- Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F.
Give one equation to show the following property of sulphuric acid:
As a non-volatile acid
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
