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Chemistry · JEE

Chemical Kinetics Previous Year Questions for JEE

6+ syllabus-aligned questions available

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Goodmarks offers 6+ JEE-style PYQs for Chemical Kinetics with detailed solutions. While official past papers rotate yearly, our bank covers the same concepts, difficulty, and question formats tested in JEE Chemistry.

Previous year questions are the fastest way to understand how Chemical Kinetics is tested in JEE. Practise 6+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

Subtopics in Chemical Kinetics

  • Rate of a chemical reaction, factors affecting the rate of reactions: concentration, temperature, pressure and catalyst
  • Elementary and complex reactions, order and molecularity of reactions, rate law, rate constant and its units
  • Differential and integral forms of zero and first-order reactions, their characteristics and half-lives
  • The effect of temperature on the rate of reactions, Arrhenius theory, activation energy and its calculation, collision theory of bi-molecular gaseous reactions (no derivation)

Free sample questions

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Q1ChemistryUnit 8: Chemical Kinetics
A reaction A+B→CA+B \rightarrow C is second order with respect to AA and independent of BB The rate expression for the reaction is:
Q2ChemistryUnit 8: Chemical Kinetics
The rate constant of a first order reaction is 0.0693 min−1^{-1} Time (in minutes) required for reducing an initial concentration of 20 mol lit−1l i t^{-1} to 2.5 mol lit−1l i t^{-1} is :
Q3ChemistryUnit 8: Chemical Kinetics
Assertion Chlorine reacts more rapidly with H2,\boldsymbol{H}_{2}, in comparision to O2\boldsymbol{O}_{\mathbf{2}} Reason D−ClD-C l bond is stronger in comparison to H−ClH-C l bond
Q4ChemistryUnit 8: Chemical Kinetics
Why is catalyst added while preparing oxygen from decomposition of KClO3?K C l O_{3} ?
Q5ChemistryUnit 8: Chemical Kinetics
80%80 \% of a first order reaction was completed in 70 min. How much it will take for 90%90 \% completion of a reaction?
Q6ChemistryUnit 8: Chemical Kinetics
Which of the following are the correct statements regarding the catalyzed and uncatalyzed reactions at constant temperature? This question has multiple correct options

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Frequently asked questions

Why practise PYQs for Chemical Kinetics?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Chemistry syllabus for Chemical Kinetics, covering the same topics as previous year papers.

How should I use PYQs for Chemical Kinetics?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.

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