Advertisements
Advertisements
प्रश्न
Define the following term : Oleum
Advertisements
उत्तर
Oleum : Oleum is called pyrosulphuric acid or orthosulphuric acid. Formula is H2S2O7.
APPEARS IN
संबंधित प्रश्न
Sulphuric acid is manufactured by contact process.
what is the chemical used to dissolve SO3 and what is The product formed?
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 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.
Describe the theory of manufacture of sulphuric acid by contact process, with all the necessary conditions (No technical details are required but equations should be given for each stage of process).
Fill in the blank with appropriate word/words :
The catalyst used in contact process for the manufacture of H2SO4 is ___________ or _________.
Name the two gases that are combined during the contact process.
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.
