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Chemical Kinetics NEET UG – Chemistry Practice Paper

NEET UG – Chemistry Practice Paper (PYQs) Part 10 | Topic: Chemical Kinetics

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Attempt this Chemical Kinetics NEET UG – Chemistry Practice Paper.

Part 10 | Topic: Chemical Kinetics

Total Questions: 30 | Total Marks: 120

Q1. Rate of a chemical reaction depends on:




Reaction rate depends on nature and concentration of reactants.

Q2. Unit of rate constant for first order reaction is:




First order rate constant has unit s⁻¹.

Q3. Half-life of a first order reaction is:




Half-life of first order reaction is constant.

Q4. For zero order reaction, rate is:




Rate = k for zero order reaction.

Q5. Which plot is linear for first order reaction?




log[A] vs time gives straight line.

Q6. Which factor does NOT affect reaction rate?




Free energy affects spontaneity, not rate.

Q7. Arrhenius equation relates rate constant with:




k = Ae⁻ᴱᵃ/RT.

Q8. Activation energy is:




Minimum energy required for reaction.

Q9. Catalyst works by:




Catalyst lowers activation energy.

Q10. Which reaction is first order?




Radioactive decay follows first order kinetics.

Q11. Unit of rate of reaction is:




Rate = change in concentration per unit time.

Q12. Half-life of zero order reaction depends on:




t½ ∝ initial concentration.

Q13. Molecularity of a reaction is:




Defined for elementary reactions only.

Q14. Order of reaction can be:




Order can take any value.

Q15. Which graph gives activation energy?




Slope = −Ea/2.303R.

Q16. Pseudo first order reaction example is:




Water concentration remains constant.

Q17. Rate law is determined by:




Order is experimentally determined.

Q18. For first order reaction, time for 75% completion is:




75% = two half-lives.

Q19. Increasing temperature increases rate because:




More molecules cross activation energy.

Q20. Slowest step in a reaction is:




Controls overall rate.

Q21. Rate constant depends on:




k increases with temperature.

Q22. Which reaction has constant half-life?




Independent of concentration.

Q23. Units of rate constant for zero order reaction:




Same as rate unit.

Q24. Which increases reaction rate?




More surface → more collisions.

Q25. Collision theory applies best to:




Assumes gaseous molecules.

Q26. Which factor affects frequency factor A?




Proper orientation increases A.

Q27. Rate constant is independent of:




k does not depend on concentration.

Q28. Which reaction has negative order?




Inhibitor reduces rate.

Q29. Rate determining step has:




Slowest step has highest Ea.

Q30. Which statement is correct?




Kinetics and thermodynamics are independent.

Conclusion: Why this Chemical Kinetics NEET UG – Chemistry Practice Paper is good for NEET Aspirants.

NEET UG Chemistry Practice Paper – Part 10, focused on Chemical Kinetics, addresses one of the most logic-driven and concept-testing chapters in Physical Chemistry. Unlike calculation-heavy topics, Chemical Kinetics rewards students who clearly understand reaction rates, orders, mechanisms, and the role of activation energy—making it a powerful scoring area when practiced correctly.

Part 10 helps students clearly differentiate between rate of reaction and spontaneity, a common source of confusion in NEET. Through well-structured MCQs, aspirants learn that fast reactions are not necessarily spontaneous and slow reactions are not necessarily non-spontaneous. This conceptual clarity is crucial because NEET frequently tests such distinctions in indirect ways.

The paper strongly reinforces core kinetics concepts such as rate laws, order and molecularity of reactions, half-life expressions, Arrhenius equation, activation energy, and the effect of temperature and catalysts. These are repeatedly asked themes in NEET, and regular practice ensures students can recall definitions, formulas, and graphs instantly under exam pressure.

Another key benefit of Part 10 is its emphasis on graph-based and interpretation questions, such as identifying reaction order from plots or extracting activation energy from Arrhenius graphs. These question types often intimidate students, but consistent exposure builds confidence and speed, reducing hesitation during the actual exam.

Part 10 also sharpens analytical thinking by including questions on pseudo-first-order reactions, rate-determining steps, collision theory, and frequency factors. These topics require understanding rather than memorization, and mastering them helps students tackle twisted or application-based NEET questions with ease.

The instant explanation-based feedback ensures that every incorrect attempt becomes a learning opportunity. Misconceptions about half-life, units of rate constants, or factors affecting reaction rate are corrected immediately, leading to stronger long-term retention and fewer repeated mistakes.

Overall, Part 10 functions as a precision-building practice tool. It improves conceptual clarity, enhances speed and accuracy, strengthens graph interpretation skills, and builds confidence in one of NEET’s most reliable scoring chapters. For aspirants aiming to maximize marks in Physical Chemistry, mastering Chemical Kinetics through Part 10 is a smart and essential step toward NEET success.

Learn more about Chemical Kinetics: https://en.wikipedia.org/wiki/Chemical_kinetics

Attempt More NEET Chemistry Papers Here: https://odtutor.com/category/neet-practice-papers/

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