The burning of coal represented by the e

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Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Chemical Kinetics

Question:

The burning of coal represented by the equation:

C(s) + O₂(g) → CO₂(g)

Which of the following factor will increase the rate of this reaction?

Options:

Decrease in concentration of oxygen

Powdering the lumps of coal

Decreasing the temperature

Providing inert atmosphere for burning

Correct Answer:

Powdering the lumps of coal

Explanation:

Powdering the lumps of coal increases the surface area of the reactant which in result increases the rate of reaction.