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Questions and Answers
Which of the following is a key objective of studying Chemical Kinetics?
Which of the following is a key objective of studying Chemical Kinetics?
- To discuss the dependence of rate of reactions on concentration, temperature and catalyst
- To define the average and instantaneous rate of a reaction (correct)
- To determine the rate constants for zeroth and first order reactions
- To describe collision theory
What does the rate of a reaction express?
What does the rate of a reaction express?
- The change in concentration of the reactants (correct)
- The change in concentration of the products
- The change in temperature of the reactants
- The change in pressure of the products
What is the difference between elementary and complex reactions?
What is the difference between elementary and complex reactions?
- Elementary reactions involve only one reactant, while complex reactions involve multiple reactants
- Elementary reactions have a lower rate constant than complex reactions
- Elementary reactions have a higher activation energy than complex reactions
- Elementary reactions occur in a single step, while complex reactions occur in multiple steps (correct)
What is the molecularity of a reaction?
What is the molecularity of a reaction?
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What does collision theory describe?
What does collision theory describe?
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