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The rate constant of a reaction is affected by which of the following? (2023)

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Question: The rate constant of a reaction is affected by which of the following? (2023)

Options:

  1. Nature of the reactants
  2. Temperature
  3. Catalysts
  4. All of the above

Correct Answer: All of the above

Exam Year: 2023

Solution: 

The rate constant of a reaction is affected by the nature of the reactants, temperature, and the presence of catalysts.

The rate constant of a reaction is affected by which of the following? (2023)

Practice Questions

Q1
The rate constant of a reaction is affected by which of the following? (2023)
  1. Nature of the reactants
  2. Temperature
  3. Catalysts
  4. All of the above

Questions & Step-by-Step Solutions

The rate constant of a reaction is affected by which of the following? (2023)
  • Step 1: Understand that the rate constant is a number that helps us know how fast a reaction happens.
  • Step 2: Learn that the nature of the reactants means what the reactants are made of and how they behave.
  • Step 3: Know that temperature affects how fast molecules move; higher temperatures usually make reactions happen faster.
  • Step 4: Realize that catalysts are substances that help reactions happen faster without being used up in the process.
  • Rate Constant – The rate constant is a proportionality factor in the rate law of a chemical reaction, indicating how the rate of reaction depends on the concentration of reactants.
  • Factors Affecting Rate Constant – The rate constant is influenced by the nature of the reactants, temperature, and the presence of catalysts, which can alter the energy barrier of the reaction.
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