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Chemistry · JEE

Important Questions: Chemical Kinetics for JEE

6+ syllabus-aligned questions available

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The most important Chemical Kinetics questions for JEE cover conceptual traps, standard results, and numerical patterns from 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). Goodmarks provides 6+ high-yield MCQs with full solutions.

Focus on what matters most. These important Chemical Kinetics questions cover high-weightage concepts from 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) — the topics JEE repeats every year.

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

What makes a Chemical Kinetics question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Chemical Kinetics are high-weightage?

Key areas include 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). Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

Can I practise only important questions on Goodmarks?

Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.

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