School Assignments for Class 12 Chemistry: Unit 3 Chemical Kinetics
Explore structured practice materials through the CBSE Class 12 Chemistry Chemical Kinetics Questions. Tailored for Class 12 learners, utilizing these Chemistry assignments ensures thorough preparation and strengthens foundational knowledge before final CBSE evaluations.
Practice Class 12 Chemistry Assignments: Unit 3 Chemical Kinetics
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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]
Free study material for Chemistry
Chapter Assignment & Practice Material for Class 12 Chemistry Unit 3 Chemical Kinetics
Revision Assignment: Unit 3 Chemical Kinetics (CBSE)
Review targeted chapter assignments for Class 12 Chemistry Unit 3 Chemical Kinetics. Built according to official CBSE guidelines, these downloadable problem sets help students build accuracy and prepare effectively for school tests.
Key Advantages of Solving Unit 3 Chemical Kinetics Assignments
- Exam Alignment: Questions strictly follow contemporary CBSE sample papers and grading schemes.
- Comprehensive Coverage: Features objective drills, case studies, and structured descriptive problems for Unit 3 Chemical Kinetics.
- Pacing & Precision: Regular problem-solving builds critical calculation speed and test-taking accuracy.
Effective Strategy for Class 12 Chemistry Assignments
- Concept Foundation: Review the NCERT book for Class 12 Chemistry thoroughly before diving into assignment tasks.
- Self-Evaluation: Solve exercises independently before inspecting professional answer guides.
- Progress Monitoring: Note down complex formulas or concepts, clearing them up using available online practice aids.
FAQs
You can download free PDF assignments for Class 12 Chemistry Unit 3 Chemical Kinetics from StudiesToday.com. These practice sheets have been updated for the 2026-27 session covering all concepts from latest NCERT textbook.
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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 Unit 3 Chemical Kinetics.
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