CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C

Chemistry
Download PDF

Read and download free pdf of CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C. Download printable Chemistry Class 12 Worksheets in pdf format, CBSE Class 12 Chemistry Unit 4 Chemical Kinetics Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Chemistry Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Unit 4 Chemical Kinetics Chemistry Worksheet for Class 12

Class 12 Chemistry students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Chemistry will be very useful for tests and exams and help you to score better marks

Class 12 Chemistry Unit 4 Chemical Kinetics Worksheet Pdf

CHEMICAL KINETICS
 
OBJECTIVE TYPE QUESTIONS

Multiple choice type questions
 
1. The term – dc/dt in a rate equation refers to :
(a) the conc. of a reactant
(b) the decrease in conc. of the reactant with time
(c) the velocity constant of reaction
(d) None of these
 
2. Order of reaction can be
(a) 0 (b) fraction
(c) whole number   (d) integer, fraction, zero
 
3. Instantaneous rate of a chemical reaction is
(a) rate of reaction in the beginning
(b) rate of reaction at the end
(c) rate of reaction at a given instant
(d) rate of reaction between two specific time intervals
 
4. Which one of the following statements for the order of a reaction is incorrect ?
(a) Order can be determined only experimentally.
(b) Order is not influenced by stoichiometric coefficient of the reactants.
(c) Order of reaction is sum of power to the concentration terms of reactants to express the rate of reaction.
(d) Order of reaction is always whole number.
 
5. The rate constant for the reaction
2N2O5 →4NO2 + O2 is 3.10 × 10–5 sec–1. If the rate is 2.4 × 10–5 mol litre–1 sec–1 then the concentration of N2O5 (in mol litre–1) is :
(a) 0.04      (b) 0.8
(c) 0.07      (d) 1.4
 
6. The rate law for a reaction between the substances A and B is given by Rate = k [A]n [B]m ..On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as

CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C 1

7. In the reaction 2A + B →A2B, if the concentration of A is doubled and that of B is halved, then the rate of the reaction will:
(a) increase 2 times       (b) increase 4 times
(c) decrease 2 times      (d) remain the same
 
8. The rate constant of a reaction is 3.00 × 103 L mol–1 sec–1. The order of this reaction will be:
(a) 0             (b) 1
(c) 2             (d) 3
 
9. Half life of a first order reaction is 4s and the initial concentration of the reactant is 0.12 M. The concentration of the reactant left after 16 s is
(a) 0.0075 M    (b) 0.06 M
(c) 0.03 M        (d) 0.015 M
 
10. The rate constant of a first order reaction is 6.9x10-3s-1 .How much time will it take to reduce the initial concentration to its 1/8th value?
(a) 100 s      (b) 200 s
(c) 300 s      (d) 400 s
 
11. A reaction proceeds by first order, 75% of this reaction was completed in 32 min. The time required for 50% completion is
(a) 8 min       (b) 16 min
(c) 20 min     (d) 24 min
 
12. In a first-order reaction A → B, if k is rate constant and inital concentration of the reactant A is 0.5 M, then the half life is
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C 2
 
13. The value of rate constant of a pseudo first order reaction _________.
(a) depends on the concentration of reactants present in small amount.
(b) depends on the concentration of reactants present in excess.
(c) is independent on the concentration of reactants.
(d) depends only on temperature.
 
14. A substance 'A' decomposes by a first order reaction starting initially with [A] = 2.00 M and after 200 min, [A] becomes 0.15 M. For this reaction t1/2 is
(a) 53.72 min     (b) 50.49 min
(c) 48.45 min     (d) 46.45 min
 
15. In a reaction the initial concentrations of the reactants increase fourfold and the rate becomes eight times its initial value. The order of the reaction is
(a) 2.0   (b) 3.5   (c) 2.5   (d) 1.5
 
16. The unit of the rate of reaction is the same as that of the rate constant for a
(a) zero-order reaction          (b) first-order reaction
(c) second-order reaction      (d) half-order reaction
 
17. For a first-order reaction, the time required for 99.9% of the reaction to take place is nearly
(a) 10 times that required for half the reaction
(b) 100 times that required for two-thirds of the reaction
(c) 10 times that required for one-fourth of the reaction
(d) 20 times that required for half of the reaction
 
18. For the reaction 2N2O5 → 4NO2 + O2, rate and rate constant are 1.02 × 10–4 and 3.4 × 10–5 sec-1 respectively,then concentration of N2O5 at that time will be
(a) 1.732             (b) 3
(c) 3.4 × l05        (d) 1.02 × 10–4
 
19. Which one of the following equations is correct for the reaction N2 (g) + 3H2 (g) →2NH3 (g)?
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C 3
 
20. The unit of rate constant depends upon the
(a) molecularity of the reaction.
(b) activation energy of the reaction.
(c) order of the reaction.
(d) temperature of the reaction
 
21. For a zero order reaction, the plot of concentration Versus time is linear with
(a) positive slope with zero intercept
(b) positive slope with non-zero intercept
(c) negative slope with non-zero intercept
(d) parallel to time axis
 
22. For the following reaction A (g) → B (g) + C (g) .The initial pressure was P0 while pressure after time ‘t’ was Pt. The rate constant k will be

CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C 4

23. For a zero order reaction, the concentration of reactant after 10s is 0.2 mol/l. If k is 2 × 10– 2 mol l–1s–1, the initial concentration of reactant is
(a) 0.6 mol/l     (b) 0.4 mol/l
(c) 0.8 mol/l     (d) 1 mol/l
 
24. A reaction involving two different reactants can never be
(a) Unimoleculur reaction
(b) 1st order reaction
(c) 2nd order reaction
(d) Bimoleculur reaction
 
25. The rate constant of first-order reaction is 10–2 min–1.The half-life period of reaction is
(a) 693 min     (b) 69.3 min
(c) 6.93 min    (d) 0.693 min
 
26. For a chemical reaction which can never be a fractional number.
(a) order                (b) half-life
(c) molecularity       (d) rate constant
 
27. If we double the initial concentration ,for a certain first order reaction ,then t1/2 for the reaction
(a)will increase by two times
(b)will decrease by four times
(c) remains the same
(d)will decrease by half times
 
28. In a reaction 2A+B→A2B ,the reactant B will disappear at
(a) Half the rate as A will decreae
(b) The same rate as A will decrease
(c) Twice the rate as A will decrease
(d) Half the rate as A2B will form
 
29. A first order reaction is 50% completed in 1.26 × 1014 s. How much time would it take for 100% completion?
a) 1.26 × 1015 s     (b) 2.52 × 1014 s
(c) 2.52 × 1028 s    (d) Infinite
 
30. For a reaction A+B→ P , the rate is given by Rate =k[A][B]2 What is the overall order of reaction if A is present in large excess?
(a)3    (b)0
(c)2 (d)1
 
Fill in the blanks
 
31. The reaction which occurs in one step is known as _______________
 
32. In _______________,rate of reaction is independent of the concentration of the reactants.
 
33. For the reaction A → B, the rate of reaction becomes three times when the concentration of A is increased by nine times. The order of reaction is _______________
 
34. Rate constant is the rate of a reaction when concentration of reactants is _____________
 
35. The condition at which average rate can be equal to instantaneous rate of the reaction is_____________________
A statement of assertion is followed by a statement of reason. Mark the correct choice from the options given below:
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Assertion is false but reason is true
 
36. Assertion : Molecularity has no meaning for a complex reaction.
      Reason: The overall molecularity of a complex reaction is equal to the molecularity of the slowest step
 
37. Assertion : In rate law, unlike in the expression for equilibrium constants, the exponents for concentrations do not necessarily match the stoichiometric coefficients.
      Reason : It is the mechanism and not the balanced chemical equation for the overall change that governs the reaction rate.
 
38. Assertion :The order of a reaction can have fractional value.
      Reason : The order of a reaction cannot be written from balanced equation of a reaction.
 
39. Assertion: Hydrolysis of methyl ethanoate is a pseudo first order reaction.
      Reason: Water is present in large excess and therefore its concentration remained constant throughout the reaction
 
40. Assertion: Half life of a reaction can be used to predict order of a reaction.
      Reason: The relationship between half life and initial concentration of the reactant is dependant on order


Please click on below link to download CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C

Unit 01 The Solid State
CBSE Class 12 Chemistry Solid State Question Bank
CBSE Class 12 Chemistry Solid State Question Bank Set A
CBSE Class 12 Chemistry Solid State Question Bank Set B
CBSE Class 12 Chemistry Solid State Worksheet
CBSE Class 12 Chemistry The Solid State Worksheet Set A
CBSE Class 12 Chemistry The Solid State Worksheet Set B
Unit 03 Electrochemistry
CBSE Class 12 Chemistry Electrochemistry Question Bank
CBSE Class 12 Chemistry Electrochemistry Question Bank Set A
CBSE Class 12 Chemistry Electrochemistry Question Bank Set B
CBSE Class 12 Chemistry Electrochemistry Question Bank Set C
CBSE Class 12 Chemistry Electrochemistry Worksheet Set A
CBSE Class 12 Chemistry Electrochemistry Worksheet Set B
CBSE Class 12 Chemistry Electrochemistry Worksheet Set C
Unit 04 Chemical Kinetics
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set A
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set A
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set D
Unit 05 Surface Chemistry
CBSE Class 12 Chemistry Surface Chemistry Question Bank
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set A
CBSE Class 12 Chemistry Surface Chemistry Question Bank Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set A
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set B
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set C
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set D
CBSE Class 12 Chemistry Surface Chemistry Worksheet Set E
Unit 06 General Principles and Processes of Isolation of Elements
CBSE Class 12 Chemistry General principles and Processes of isolation of elements Question Bank
CBSE Class 12 Chemistry General Principles and Processes of Isolation of Elements Worksheet Set A
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set B
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set C
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set D
CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set E
Unit 07 The p-Block Elements
CBSE Class 12 Chemistry The P Block Elements Question Bank
CBSE Class 12 Chemistry The P Block Elements Question Bank Set A
CBSE Class 12 Chemistry The P Block Elements Question Bank Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set A
CBSE Class 12 Chemistry The p Block Elements Worksheet Set B
CBSE Class 12 Chemistry The p Block Elements Worksheet Set C
CBSE Class 12 Chemistry The P Block Elements Worksheet Set E
CBSE Class 12 Chemistry The P Block Elements Worksheet Set F
Unit 08 The d- and f-Block Elements
CBSE Class 12 Chemistry All Chapters Solved Worksheet
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set A
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set A
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C
CBSE Class 12 Chemistry Organic Compounds Containing Nitrogen Worksheet
CBSE Class 12 Chemistry The D Block Elements Worksheet
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set A
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set B
Unit 09 Coordination Compounds
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set A
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set C
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set D
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set E
Unit 10 Haloalkanes and Haloarenes
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set A
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set B
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set A
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set B
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set C
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set D
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set E
Unit 11 Alcohols, Phenols and Ethers
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Question Bank
CBSE Class 12 Chemistry Alcohols Phenols and Ethers Worksheet Set A
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set B
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set C
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set D
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set E
Unit 12 Aldehydes, Ketones and Carboxylic Acids
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set A
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set A
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set C
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set D
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set E
Unit 13 Amines
CBSE Class 12 Chemistry Amines Worksheet Set A
CBSE Class 12 Chemistry Amines Worksheet Set B
CBSE Class 12 Chemistry Amines Worksheet Set C
CBSE Class 12 Chemistry Amines Worksheet Set D
CBSE Class 12 Chemistry Amines Worksheet Set E
Unit 14 Biomolecules
CBSE Class 12 Chemistry Biomolecules Question Bank Set A
CBSE Class 12 Chemistry Biomolecules Question Bank Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set A
CBSE Class 12 Chemistry Biomolecules Worksheet Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set C
CBSE Class 12 Chemistry Biomolecules Worksheet Set D
Unit 15 Polymers
CBSE Class 12 Chemistry Polymers Worksheet Set A
CBSE Class 12 Chemistry Polymers Worksheet Set B
CBSE Class 12 Chemistry Polymers Worksheet Set C
CBSE Class 12 Chemistry Polymers Worksheet Set D
Unit 16 Chemistry in Everyday Life
CBSE Class 12 Chemistry Chemistry in Everyday Life Question Bank
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set A
CBSE Class 12 Chemistry Chemistry in Everyday Life Worksheet Set B
CBSE Class 12 Chemistry In Everyday Life Question Bank
CBSE Class 12 Chemistry In Everyday Life Worksheet Set A
z More Worksheets for Class 12 Chemistry
CBSE Class 12 Chemistry All Chapters Questions Bank
CBSE Class 12 Chemistry Solution Question Bank
CBSE Class 12 Chemistry Solutions Question Bank Set A
CBSE Class 12 Chemistry Solutions Question Bank Set B
CBSE Class 12 Chemistry Solutions Worksheet
CBSE Class 12 Chemistry Solutions Worksheet Set A
CBSE Class 12 Chemistry Solutions Worksheet Set B
CBSE Class 12 Chemistry Worksheet Set A Solved
CBSE Class 12 Chemistry Worksheet Set B Solved
CBSE Class 12 Chemistry Worksheet Set C Solved
CBSE Class 12 Chemistry Worksheet Set D
CBSE Class 12 Chemistry Worksheet Set E Solved
CBSE Class 12 Chemistry Worksheet Set F
CBSE Class 12 Chemistry Worksheet Set G Solved
CBSE Class 12 Chemistry Worksheet Set H Solved
CBSE Class 12 Chemistry Worksheet Set I Solved

More Study Material

CBSE Class 12 Chemistry Unit 4 Chemical Kinetics Worksheet

The above practice worksheet for Unit 4 Chemical Kinetics has been designed as per the current syllabus for Class 12 Chemistry released by CBSE. Students studying in Class 12 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 12 Chemistry on a daily basis. All the latest practice worksheets with solutions have been developed for Chemistry by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 12 Chemistry students to get all the latest study material free of cost.

Worksheet for Chemistry CBSE Class 12 Unit 4 Chemical Kinetics

Teachers of studiestoday have referred to the NCERT book for Class 12 Chemistry to develop the Chemistry Class 12 worksheet. If you download the practice worksheet for the above chapter daily, you will get better scores in Class 12 exams this year as you will have stronger concepts. Daily questions practice of Chemistry printable worksheet and its study material will help students to have a stronger understanding of all concepts and also make them experts on all scoring topics. You can easily download and save all revision Worksheets for Class 12 Chemistry also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 12 Chemistry designed by our teachers

Unit 4 Chemical Kinetics worksheet Chemistry CBSE Class 12

All practice paper sheet given above for Class 12 Chemistry have been made as per the latest syllabus and books issued for the current academic year. The students of Class 12 can be assured that the answers have been also provided by our teachers for all test paper of Chemistry so that you are able to solve the problems and then compare your answers with the solutions provided by us. We have also provided a lot of MCQ questions for Class 12 Chemistry in the worksheet so that you can solve questions relating to all topics given in each chapter. All study material for Class 12 Chemistry students have been given on studiestoday.

Unit 4 Chemical Kinetics CBSE Class 12 Chemistry Worksheet

Regular printable worksheet practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Unit 4 Chemical Kinetics concepts. Practice worksheets play an important role in developing an understanding of Unit 4 Chemical Kinetics in CBSE Class 12. Students can download and save or print all the printable worksheets, assignments, and practice sheets of the above chapter in Class 12 Chemistry in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 12 Chemistry MCQ Test for the same chapter.

Worksheet for CBSE Chemistry Class 12 Unit 4 Chemical Kinetics

CBSE Class 12 Chemistry best textbooks have been used for writing the problems given in the above worksheet. If you have tests coming up then you should revise all concepts relating to Unit 4 Chemical Kinetics and then take out a print of the above practice sheet and attempt all problems. We have also provided a lot of other Worksheets for Class 12 Chemistry which you can use to further make yourself better in Chemistry

Where can I download latest CBSE Practice worksheets for Class 12 Chemistry Unit 4 Chemical Kinetics

You can download the CBSE Practice worksheets for Class 12 Chemistry Unit 4 Chemical Kinetics for the latest session from StudiesToday.com

Can I download the Practice worksheets of Class 12 Chemistry Unit 4 Chemical Kinetics in Pdf

Yes, you can click on the links above and download chapter-wise Practice worksheets in PDFs for Class 12 for Chemistry Unit 4 Chemical Kinetics

Are the Class 12 Chemistry Unit 4 Chemical Kinetics Practice worksheets available for the latest session

Yes, the Practice worksheets issued for Unit 4 Chemical Kinetics Class 12 Chemistry have been made available here for the latest academic session

How can I download the Unit 4 Chemical Kinetics Class 12 Chemistry Practice worksheets

You can easily access the links above and download the Class 12 Practice worksheets Chemistry for Unit 4 Chemical Kinetics

Is there any charge for the Practice worksheets for Class 12 Chemistry Unit 4 Chemical Kinetics

There is no charge for the Practice worksheets for Class 12 CBSE Chemistry Unit 4 Chemical Kinetics you can download everything free

How can I improve my scores by solving questions given in Practice worksheets in Unit 4 Chemical Kinetics Class 12 Chemistry

Regular revision of practice worksheets given on studiestoday for Class 12 subject Chemistry Unit 4 Chemical Kinetics can help you to score better marks in exams

Are there any websites that offer free Practice test papers for Class 12 Chemistry Unit 4 Chemical Kinetics

Yes, studiestoday.com provides all the latest Class 12 Chemistry Unit 4 Chemical Kinetics test practice sheets with answers based on the latest books for the current academic session

Can test sheet papers for Unit 4 Chemical Kinetics Class 12 Chemistry be accessed on mobile devices

Yes, studiestoday provides worksheets in Pdf for Unit 4 Chemical Kinetics Class 12 Chemistry in mobile-friendly format and can be accessed on smartphones and tablets.

Are practice worksheets for Class 12 Chemistry Unit 4 Chemical Kinetics available in multiple languages

Yes, practice worksheets for Class 12 Chemistry Unit 4 Chemical Kinetics are available in multiple languages, including English, Hindi