Industrial Preparation: Contact process
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Sulphuric acid acts as the
dehydrating agent
reducing agent
oxidizing agent
electrolyte
During the contact process, which of these catalysts are used in the converter?
Vanadium pentoxide
Potassium permanganate
Manganese
Nickel
In order to produce sulphuric acid efficiently, SO2 gas undergoes oxidation in presence of catalyst X at a temperature of Y degree Celsius. What could be X and Y?
- X: V2O5; Y: 100oC
- X: V2O5; Y: 400oC
X: P2O5; Y: 400oC
- X: P2O5; Y: 600oC
What is the name of the process for industrial preparation of sulphuric acid?
Haber’s process
Contact process
None of the above
Ostwald’s process
Which of the following are favourable for the rate determing step for the ndustrial preparation of sulphuric acid (contact process)?
High Pressure
High temperature
Excess of oxygen
Using a catalyst
In what ratio does sulphur and oxygen need to be added in order to increase the yield of SO2 in the contact process?
1:2
2:1
3:2
4:3
The second step in the production of sulphuric acid(contact process) is given by the equation:
\(2SO_2 (g) + O_2(g) \rightleftharpoons 2SO_3(g)\)
Ideally, which conditions would increase the yield of this reaction?
High temperature, low pressure
High temperature, high pressure
Low temperature, low pressure
Low temperature, high pressure
The correct formula of oleum is :
H2SO5
H2S2O6
H2S2O7
H2S2O8
Which of the following is used in the contact tower?
Calcium oxide
Anhydrous calcium chloride
Concentrated sulphuric acid
Concentrated Nitric acid
Which of the following is the rate-determining step of the idustrial preparation of sulphuric acid?
Dilutiion of oleum
Formation of oleum
Formation of SO2
Formation of SO3