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प्रश्न
Sulphuric acid is manufactured by the contact process.
Give the conditions for the oxidation of SO2.
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उत्तर
- The optimum temperature should be as low as possible. The yield has been found to be maximum at about 410°C-450°C.
- We favour high pressure (2 atm) because the formed product has less volume than the reactant.
- Excess oxygen increases the production of sulphur trioxide.
- Vanadium pentoxide or platinised asbestos, is used as a catalyst.
- Concentration of Reactants.
- A pure and dry mixture of two parts of SO2 and one part of O2 by vol. is used.
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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 contact process.
why is Sulphuric acid not obtained directly by reacting SO3 with water.
Sulphuric acid is manufactured by contact process.
write the main reactions of this process.
Define the following term:
Constant boiling mixture
Name the following:
The catalyst used in the constant process.
Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.
What is the purpose 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?
The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is ______.
