Advertisements
Advertisements
प्रश्न
Why the impurity of arsenic oxide must be removed before passing the mixture of SO2 and air through the catalytic chamber?
Advertisements
उत्तर
Impurity of arsenic poisons the catalyst. So, it must be removed before passing the mixture of SO2 air through the catalytic chamber.
संबंधित प्रश्न
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. 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.
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.
Define the following term : Oleum
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
Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.
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.
With the help of equations, give an outline for the manufacture of sulphuric acid by the contact process.
