The Contact Process: Producing Sulfuric Acid

The Contact Process: Producing Sulfuric Acid

Assessment

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Chemistry, Science, Physics

University

Hard

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The video tutorial explains the contact process for producing sulfuric acid. It covers the chemical reactions and physical conditions required for efficient production. The process involves burning sulfur in dry air to form sulfur dioxide, which is then converted to sulfur trioxide. This trioxide reacts with sulfuric acid to form oleum, which is safely converted to sulfuric acid with water. The tutorial discusses the reversible nature of the reactions, the importance of temperature and pressure, and the use of a vanadium oxide catalyst to speed up the process.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the primary raw materials used in the initial stage of the contact process for sulfuric acid production?

Sulfur and dry air

Sulfur and water

Sulfur dioxide and nitrogen

Sulfur trioxide and hydrogen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about the reaction between sulfur dioxide and oxygen is true?

It is an irreversible reaction.

It requires high pressure to proceed.

It is a reversible reaction.

It does not reach equilibrium.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of vanadium oxide in the contact process?

It acts as a reactant.

It serves as a catalyst.

It is a byproduct.

It is used to absorb sulfur trioxide.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a compromise temperature of 450 degrees Celsius used in the contact process?

To maximize the speed of the reaction

To ensure complete conversion of sulfur dioxide

To balance reaction speed and yield

To minimize energy consumption

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final product obtained after reacting oleum with water in the contact process?

Hydrogen sulfide

Pure sulfuric acid

Sulfur trioxide

Sulfur dioxide