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प्रश्न
Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?
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उत्तर
Impurity of arsenic poisons the catalyst. So, it must be removed before passing the mixture of SO2 air through the catalytic chamber.
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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.
write the main reactions of this process.
Why is sulphuric acid used in the preparation of HCl and HNO3? Give equations in both cases.
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. \[\ce{H2SO4}\] 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.
Choose the current answer from the options given below :
In the contact process, the impurities of arsenic are removed by
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?
Name the two gases that are combined during the contact process.
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.
