Read and download the CBSE Class 12 Chemistry Chemical Kinetics Questions for the 2025-26 academic session. We have provided comprehensive Class 12 Chemistry school assignments that have important solved questions and answers for Unit 3 Chemical Kinetics. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.
Solved Assignment for Class 12 Chemistry Unit 3 Chemical Kinetics
Practicing these Class 12 Chemistry problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Unit 3 Chemical Kinetics, covering both basic and advanced level questions to help you get more marks in exams.
Unit 3 Chemical Kinetics Class 12 Solved Questions and Answers
9. What will be the order of reaction, if the rate of reaction does not depend on the concentration of any of the reactant.
10. For the elementary step of a chemical reaction :
H2 + I2 2HI
rate of reaction [H2] [I2]
What is the (i) molecularity and (ii) order of the reaction.
[Ans. : (i) 2 (ii) 1]
11. For a chemical reaction A B. The rate of the reaction is given as Rate = k [A]n, the rate of the above reaction quadruples when the concentration
of A is doubled. What is the value of n?
[Ans. : n = 2]
12 Mention one example of zero order reaction.
13. What is the value of the order of reaction of radioactive decay?
[Ans. : First order]
*14. A reaction is 50% complete in 2 hours and 75% complete in 4 hours. What is the order of reaction?
Ans : [First order]
15. Suggest an appropriate reason for the observation : “On increasing temperature of the reacting system by 10 degrees, the rate of reaction
almost doubles or even sometimes becomes five folds.”
*16. For a chemical reaction, activation energy is zero and at 300K rate constant is 5.9 × 10–5 s–1, what will be the rate constant at 400K?
[Ans. : 5.9 × 10–5 s–1]
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Important Practice Resources for Class 12 Chemistry
CBSE Class 12 Chemistry Unit 3 Chemical Kinetics Assignment
Access the latest Unit 3 Chemical Kinetics assignments designed as per the current CBSE syllabus for Class 12. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Unit 3 Chemical Kinetics. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.
Benefits of solving Assignments for Unit 3 Chemical Kinetics
Practicing these Class 12 Chemistry assignments has many advantages for you:
- Better Exam Scores: Regular practice will help you to understand Unit 3 Chemical Kinetics properly and you will be able to answer exam questions correctly.
- Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
- Huge Variety of Questions: These Unit 3 Chemical Kinetics sets include Case Studies, objective questions, and various descriptive problems with answers.
- Time Management: Solving these Unit 3 Chemical Kinetics test papers daily will improve your speed and accuracy.
How to solve Chemistry Unit 3 Chemical Kinetics Assignments effectively?
- Read the Chapter First: Start with the NCERT book for Class 12 Chemistry before attempting the assignment.
- Self-Assessment: Try solving the Unit 3 Chemical Kinetics questions by yourself and then check the solutions provided by us.
- Use Supporting Material: Refer to our Revision Notes and Class 12 worksheets if you get stuck on any topic.
- Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.
Best Practices for Class 12 Chemistry Preparation
For the best results, solve one assignment for Unit 3 Chemical Kinetics on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.
You can download free PDF assignments for Class 12 Chemistry Chapter Unit 3 Chemical Kinetics from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.
Yes, our teachers have given solutions for all questions in the Class 12 Chemistry Chapter Unit 3 Chemical Kinetics assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.
Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Unit 3 Chemical Kinetics.
Practicing topicw wise assignments will help Class 12 students understand every sub-topic of Chapter Unit 3 Chemical Kinetics. Daily practice will improve speed, accuracy and answering competency-based questions.
Yes, all printable assignments for Class 12 Chemistry Chapter Unit 3 Chemical Kinetics are available for free download in mobile-friendly PDF format.