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प्रश्न
Define the following term : Oleum
उत्तर
Oleum : Oleum is called pyrosulphuric acid or orthosulphuric acid. Formula is H2S2O7.
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संबंधित प्रश्न
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.
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction on the same:
In the production of \[\ce{HCl}\] 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 on the same:
In the preparation of \[\ce{CO}\] and \[\ce{HCOOH}\]
What property of conc. \[\ce{H2SO4}\] is made use of the following case? Give an equation for the reaction on the same:
In the preparation of sulphur dioxide by warming a mixture of conc. sulphuric acid and copper–turnings.
Define the following term:
Constant boiling mixture
Choose the current answer from the options given below :
In the preparation of H2SO4 by contact process V2O3 is used as a catalyst in the reaction. It is
Choose the current answer from the options given below :
In the contact process, the impurities of arsenic are removed by
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.
Name the process used for the large scale manufacture of sulphuric acid.
