Chemical Kinetics

Reaction Kinetics MCQs with Answers

Welcome to the Reaction Kinetics MCQs with Answers. In this post, we have shared Reaction Kinetics Online Test for different competitive exams. Find practice Reaction Kinetics Practice Questions with answers in Chemistry Tests exams here. Each question offers a chance to enhance your knowledge regarding Reaction Kinetics.

Reaction Kinetics Online Quiz

By presenting 3 options to choose from, Reaction Kinetics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Reaction Kinetics Questions and Answers and click over the correct answer.

  • Test Name: Reaction Kinetics MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Reaction Kinetics MCQs

Reaction Kinetics

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1 / 40

The overall order of a reaction is determined by ____________.

2 / 40

The rate of a chemical reaction depends on _________________.

3 / 40

What happens to the rate constant (k) of a reaction when the temperature is increased?

4 / 40

Which of the following expressions represents the rate law for a zero-order reaction?

5 / 40

What does a negative value of reaction order indicate?

6 / 40

Which factor does NOT affect the rate of a reaction?

7 / 40

Which of the following factors does not affect reaction rate?

8 / 40

The half-life of a first-order reaction is independent of the ____________.

9 / 40

The rate-determining step in a reaction mechanism is the step that ____________.

10 / 40

Which of the following statements about catalysts is false?

11 / 40

What is the effect of increasing the concentration of reactants on reaction rate?

12 / 40

A reaction has a rate law expression of rate = k[A][B]. What is its order with respect to A?

13 / 40

The collision theory of reaction rates states that _____________.

14 / 40

In a first-order reaction, the rate of reaction is directly proportional to ____________.

15 / 40

A reaction has a rate law expression of rate = k[NO]^2[O2]. What is its order with respect to NO?

16 / 40

The rate constant (k) of a reaction depends on ___________.

17 / 40

Which of the following statements about elementary reactions is true?

18 / 40

The term 'pre-exponential factor' in the Arrhenius equation represents ____________.

19 / 40

What is the order of a reaction if its rate law expression is rate = k[A][B]^2?

20 / 40

What is the half-life of a zero-order reaction?

21 / 40

The units of a rate constant (k) for a first-order reaction are:

22 / 40

For a second-order reaction, the units of the rate constant (k) are:

23 / 40

Which of the following is NOT a factor affecting reaction rates?

24 / 40

What does the term 'rate constant' represent in a chemical reaction?

25 / 40

The rate constant (k) of a reaction increases with __________.

26 / 40

A reaction has a rate law expression of rate = k[NO]^2. What is its order with respect to NO?

27 / 40

Which of the following statements about the rate of reaction is true?

28 / 40

What is the overall order of a reaction if its rate law expression is rate = k[A]^2[B]?

29 / 40

In a second-order reaction, if the concentration of reactant A is halved, what happens to the rate of the reaction?

30 / 40

What is the effect of adding a catalyst on the activation energy of a reaction?

31 / 40

A reaction has a rate law expression of rate = k[NO]. What is its order with respect to NO?

32 / 40

What does the slope of a concentration-time graph of a zero-order reaction represent?

33 / 40

Which statement about the rate constant (k) is true?

34 / 40

Which of the following statements about activation energy is true?

35 / 40

What does the term 'rate-determining step' refer to in a reaction mechanism?

36 / 40

What is the order of a reaction if its rate law expression is rate = k?

37 / 40

The Arrhenius equation relates the rate constant (k) of a reaction to _____________.

38 / 40

A reaction that has a rate equation of rate = k[A]^2[B] is ______ order with respect to [A] and _______ order with respect to [B].

39 / 40

A reaction has a rate law expression of rate = k[NO2]. What is its order with respect to NO2?

40 / 40

The activation energy of a reaction is the energy difference between ______________.

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