Rate Laws MCQs with Answers

AdminApril 15, 2024

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Welcome to the Rate Laws MCQs with Answers, it helps learners quickly identify areas for improvement in Rate Laws Online Test.

Rate laws are mathematical expressions that describe the relationship between the rate of a chemical reaction and the concentration of its reactants. They are fundamental in understanding reaction kinetics, as they help predict how changes in concentration affect reaction speed.

For students and professionals aiming to master this topic, Rate Laws MCQs with Answers provide an excellent way to practice and reinforce their understanding. These multiple choice questions cover various aspects of rate laws, including determining reaction orders, calculating rate constants, and interpreting experimental data.

Rate Laws Quiz Questions are designed to test one’s ability to apply theoretical knowledge to practical problems. These quizzes often include scenarios where one must derive the rate law from given data or predict how changes in concentration will affect the reaction rate.

A Rate Laws Practice Test offers a comprehensive review of the subject, allowing individuals to assess their proficiency and identify areas that need further study. Finally, Rate Laws Exam Questions delve deeper into complex concepts, ensuring a thorough understanding of reaction kinetics and the application of rate laws in different contexts.

Rate Laws Online Quiz

By presenting 3 options to choose from, Rate Laws 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 Rate Laws Questions and Answers and click over the correct answer.

Test Name: Rate Laws 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 Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Rate Laws

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1 / 40

What is the rate law for a reaction that is zero order in A and first order in B?

Rate = k[B]

Rate = k[A][B]

Rate = k[A]

2 / 40

For the reaction A + 2B → products, if Rate = k[A][B]², what is the overall order of the reaction?

Third order

Second order

First order

3 / 40

What is the general form of the rate law for the reaction A + B → C?

Rate = k[A]²[B]

Rate = k[A][B]

Rate = k[A] + [B]

4 / 40

For the reaction A + B → products, if Rate = k[A]²[B], what is the order with respect to A?

Zero order

Second order

First order

5 / 40

In the rate law Rate = k[A][B]², what is the order with respect to A?

First order

Zero order

Second order

6 / 40

What is the rate law for a reaction that is first order in A and second order in B?

Rate = k[A]²[B]

Rate = k[A][B]

Rate = k[A][B]²

7 / 40

In the rate law Rate = k[A], what happens to the rate if [A] is tripled?

Doubles

Quadruples

Triples

8 / 40

If the rate of a reaction does not change with an increase in concentration of the reactants, what is the order of the reaction?

First order

Zero order

Second order

9 / 40

In the rate law Rate = k[A][B], what happens to the rate if [A] is halved and [B] is doubled?

Halves

Doubles

Remains the same

10 / 40

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

First order

Second order

Zero order

11 / 40

For a reaction with Rate = k[A]²[B], what is the order with respect to B?

Second order

Zero order

First order

12 / 40

For a reaction with Rate = k[A][B], what is the unit of the rate constant?

M⁻¹s⁻¹

s⁻¹

M s⁻¹

13 / 40

In the rate law Rate = k[A][B], what happens to the rate if [B] is halved?

Quadruples

Halves

Doubles

14 / 40

What is the rate law for a reaction that is first order in A and zero order in B?

Rate = k[B]

Rate = k[A][B]

Rate = k[A]

15 / 40

What is the rate law for a reaction that is second order in A and zero order in B?

Rate = k[A]

Rate = k[A]²

Rate = k[A][B]

16 / 40

For the reaction 2A + B → C, if the rate law is Rate = k[A][B], what is the order with respect to A?

Second order

Zero order

First order

17 / 40

What is the rate law for a zero-order reaction with respect to A?

Rate = k

Rate = k[A]

Rate = k[A]²

18 / 40

In a reaction with Rate = k[A][B], what happens to the rate if both [A] and [B] are doubled?

Quadruples

Remains the same

Doubles

19 / 40

In the rate law Rate = k[A][B], what is the overall order of the reaction?

Second order

First order

Third order

20 / 40

What is the rate law for a reaction that is second order in A and first order in B?

Rate = k[A][B]²

Rate = k[A]²[B]

Rate = k[A][B]

21 / 40

For the reaction 2A + B → products, if Rate = k[A]²[B], what is the order with respect to B?

Second order

First order

Zero order

22 / 40

For the reaction A → products, if the half-life is constant, what is the order of the reaction?

First order

Second order

Zero order

23 / 40

For a second-order reaction, what is the relationship between half-life and initial concentration?

Inversely proportional

Directly proportional

Independent

24 / 40

In the rate law Rate = k[A]²[B], what is the overall order of the reaction?

Third order

Second order

First order

25 / 40

If the rate of a reaction doubles when the concentration of A is doubled, what is the order with respect to A?

First order

Zero order

Second order

26 / 40

For the reaction 2A → products, if the rate law is Rate = k[A]², what is the order of the reaction?

Zero order

Second order

First order

27 / 40

In the rate law Rate = k[A][B], what happens to the rate if [A] and [B] are both tripled?

Increases by a factor of 9

Doubles

Remains the same

28 / 40

What is the unit of the rate constant for a third-order reaction?

s⁻¹

M⁻¹s⁻¹

M⁻²s⁻¹

29 / 40

In the rate law Rate = k[A]², what happens to the rate if [A] is reduced by half?

Decreases by a factor of 2

Decreases by a factor of 4

Remains the same

30 / 40

For the reaction A + B → C, if Rate = k[A]²[B]³, what is the overall order of the reaction?

Second order

Fifth order

Third order

31 / 40

What is the rate law for a reaction that is first order in A and second order in B?

Rate = k[A][B]

Rate = k[A][B]²

Rate = k[A]²[B]

32 / 40

What is the rate constant for a reaction that is second order overall?

M s⁻¹

s⁻¹

M⁻¹s⁻¹

33 / 40

What is the unit of the rate constant for a first-order reaction?

s⁻¹

M⁻¹s⁻¹

M s⁻¹

34 / 40

What is the unit of the rate constant for a zero-order reaction?

M⁻¹s⁻¹

M s⁻¹

s⁻¹

35 / 40

For the reaction A + B → products, if Rate = k[A]², what happens to the rate if [A] is tripled?

Increases by a factor of 3

Remains the same

Increases by a factor of 9

36 / 40

In a first-order reaction, how is the rate related to the concentration of the reactant?

Directly proportional

Inversely proportional

Independent

37 / 40

In the rate law Rate = k[A]³, what happens to the rate if [A] is doubled?

Increases by a factor of 2

Quadruples

Increases by a factor of 8

38 / 40

What is the rate law for a reaction that is zero order in A and second order in B?

Rate = k[B]²

Rate = k[A]²[B]

Rate = k[A][B]²

39 / 40

For a reaction with Rate = k[A], what is the order of the reaction?

Zero order

First order

Second order

40 / 40

For the reaction A + B → products, if Rate = k[A][B] and [A] is doubled, what happens to the rate?

Quadruples

Doubles

Halves

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Rate Laws Flashcards

What is the general form of the rate law for the reaction A + B → C?

Rate = k[A][B]

What is the unit of the rate constant for a first-order reaction?

s⁻¹

What is the rate law for a zero-order reaction with respect to A?

Rate = k

For the reaction 2A + B → C, if the rate law is Rate = k[A][B], what is the order with respect to A?

First order

In the rate law Rate = k[A]²[B], what is the overall order of the reaction?

Third order

If the rate of a reaction doubles when the concentration of A is doubled, what is the order with respect to A?

First order

For the reaction A + B → products, if Rate = k[A]², what happens to the rate if [A] is tripled?

Increases by a factor of 9

What is the rate law for a reaction that is first order in A and second order in B?

Rate = k[A][B]²

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

Zero order

For the reaction A → products, if the half-life is constant, what is the order of the reaction?

First order

In a first-order reaction, how is the rate related to the concentration of the reactant?

Directly proportional

For the reaction 2A → products, if the rate law is Rate = k[A]², what is the order of the reaction?

Second order

What is the rate constant for a reaction that is second order overall?

M⁻¹s⁻¹

In the rate law Rate = k[A][B], what happens to the rate if [B] is halved?

Halves

For the reaction A + B → products, if Rate = k[A][B] and [A] is doubled, what happens to the rate?

Doubles

What is the rate law for a reaction that is zero order in A and first order in B?

Rate = k[B]

In the rate law Rate = k[A]², what happens to the rate if [A] is reduced by half?

Decreases by a factor of 4

For a reaction with Rate = k[A]²[B], what is the order with respect to B?

First order

What is the unit of the rate constant for a zero-order reaction?

M s⁻¹

In the rate law Rate = k[A][B], what is the overall order of the reaction?

Second order

For a second-order reaction, what is the relationship between half-life and initial concentration?

Inversely proportional

What is the rate law for a reaction that is second order in A and zero order in B?

Rate = k[A]²

If the rate of a reaction does not change with an increase in concentration of the reactants, what is the order of the reaction?

Zero order

In a reaction with Rate = k[A][B], what happens to the rate if both [A] and [B] are doubled?

Quadruples

For the reaction A + B → C, if Rate = k[A]²[B]³, what is the overall order of the reaction?

Fifth order

What is the rate law for a reaction that is first order in A and zero order in B?

Rate = k[A]

For the reaction 2A + B → products, if Rate = k[A]²[B], what is the order with respect to B?

First order

In the rate law Rate = k[A]³, what happens to the rate if [A] is doubled?

Increases by a factor of 8

For a reaction with Rate = k[A][B], what is the unit of the rate constant?

M⁻¹s⁻¹

What is the rate law for a reaction that is zero order in A and second order in B?

Rate = k[B]²

In the rate law Rate = k[A][B]², what is the order with respect to A?

First order

For the reaction A + 2B → products, if Rate = k[A][B]², what is the overall order of the reaction?

Third order

What is the rate law for a reaction that is second order in A and first order in B?

Rate = k[A]²[B]

In the rate law Rate = k[A], what happens to the rate if [A] is tripled?

Triples

For a reaction with Rate = k[A], what is the order of the reaction?

First order

What is the unit of the rate constant for a third-order reaction?

M⁻²s⁻¹

In the rate law Rate = k[A][B], what happens to the rate if [A] is halved and [B] is doubled?

Remains the same

For the reaction A + B → products, if Rate = k[A]²[B], what is the order with respect to A?

Second order

What is the rate law for a reaction that is first order in A and second order in B?

Rate = k[A][B]²

In the rate law Rate = k[A][B], what happens to the rate if [A] and [B] are both tripled?

Increases by a factor of 9

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AdminApril 15, 2024

0 14 2 minutes read