Industrial Preparation: Contact process

Q.

Sulphuric acid acts as the ___ in lead accumulators.

1. dehydrating agent

2. reducing agent

3. oxidizing agent

4. electrolyte

Q.

During the contact process, which of these catalysts are used in the converter?

1. Vanadium pentoxide

2. Potassium permanganate

3. Manganese

4. Nickel

Q.

In order to produce sulphuric acid efficiently, $S{O}_2$ gas undergoes oxidation in presence of catalyst X at a temperature of Y degree Celsius. What could be X and Y?

1. X: $V_2{O}_5$; Y: ${100}^{o}C$
2. X: $V_2{O}_5$; Y: ${400}^{o}C$

3. X: $P_2{O}_5$; Y: ${400}^{o}C$

4. X: $P_2{O}_5$; Y: ${600}^{o}C$

Q.

What is the name of the process for industrial preparation of sulphuric acid?

1. Haber’s process

2. Contact process

3. None of the above

4. Ostwald’s process

Q.

Which of the following are favourable for the rate determing step for the ndustrial preparation of sulphuric acid (contact process)?

1. High Pressure

2. High temperature

3. Excess of oxygen

4. Using a catalyst

Q.

In what ratio does sulphur and oxygen need to be added in order to increase the yield of SO₂ in the contact process?

1. 1:2

2. 2:1

3. 3:2

4. 4:3

Q.

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?

1. High temperature, low pressure

2. High temperature, high pressure

3. Low temperature, low pressure

4. Low temperature, high pressure

Q.

The correct formula of oleum is :

1. $H_{2}S{O}_5$

2. $H_2{S}_2{O}_6$

3. $H_2{S}_2{O}_7$

4. $H_2{S}_2{O}_8$

Q.

Which of the following is used in the contact tower?

1. Calcium oxide

2. Anhydrous calcium chloride

3. Concentrated sulphuric acid

4. Concentrated Nitric acid

Q.

Which of the following is the rate-determining step of the idustrial preparation of sulphuric acid?

1. Dilutiion of oleum

2. Formation of oleum

3. Formation of $S{O}_2$

4. Formation of $S{O}_3$