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Chemistry - Chemical Kinetics

Practise 303 MHTCET previous year questions on Chemical Kinetics, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHTCET tests.

Chemical Kinetics has been asked in 16 of the 17 years of MHTCET papers analysed (2007–2026), with 303 questions in all. 55% of them were easy, 40% moderate and 6% tough. Most of its questions came from 2025, with 48 questions that year. In the last three years (2024–2026) it had 143 questions across 59 papers, about 2.4 per paper.

The chapter's 7 topics are not weighted equally: Integrated rate laws (114 questions, 38%), Rate law and rate constant (101 questions, 33%), and Rate of reaction (63 questions, 21%) have been asked the most. Over the last five years the most frequent topics have been Rate law and rate constant (79), Integrated rate laws (69), and Rate of reaction (45). Integrated rate laws has produced the most tough questions (13).

  1. 1In a reaction, disappears at a rate of mol dm s Calculate rate of formation of ?20 Apr, 2026 (M)Rate of reaction
  2. 2Calculate rate constant of a first order reaction having half life minute second?20 Apr, 2026 (M)Integrated rate laws
  3. 3Identify correct statement regarding order of reaction from following.20 Apr, 2026 (M)Integrated rate laws
  4. 4What is the order and molecularity of the following elementary reaction? , rate20 Apr, 2026 (E)Rate law and rate constant
  5. 5Calculate the rate constant of first order reaction having rate and M.20 Apr, 2026 (E)Rate law and rate constant
  6. 6What is the role of catalyst in reaction?20 Apr, 2026 (E)Arrhenius theory
  7. 7Rate constant of decomposition of hydrogen peroxide is , calculate half life of reaction.19 Apr, 2026 (M)Integrated rate laws
  8. 8A first order reaction take minutes for decomposition, calculate its rate constant ?19 Apr, 2026 (M)Integrated rate laws
  9. 9Which of the following is an elementary reaction ?19 Apr, 2026 (M)Rate law and rate constant
  10. 10For a first order reaction, half life is hour. What time is required to reduce g of reactant to g ?19 Apr, 2026 (E)Integrated rate laws
  11. 11Consider the reaction, If the rate of formation of at a particular time is . Calculate the rate of consumption of .19 Apr, 2026 (E)Rate of reaction
  12. 12Half life of a first order reaction is second. If initial concentration of reactant is find concentration that remains after minute ?19 Apr, 2026 (E)Integrated rate laws
  13. 13Which of the following reactions has of overall order ?18 Apr, 2026 (M)Rate law and rate constant
  14. 14For the reaction , rate law is . Rate constant is and concentration of NOBr is , What is rate of reaction?18 Apr, 2026 (M)Rate law and rate constant
  15. 15In a first order reaction 20 millimole of reactant is lowered to 10 millimole in minute. Find rate constant of the reaction?18 Apr, 2026 (M)Integrated rate laws
  16. 16For a reaction product, . If the initial concentration of A is find the value of after 100 second ?18 Apr, 2026 (E)Integrated rate laws
  17. 17What is the time required for 75 % completion of a first order reaction if rate constant is ?18 Apr, 2026 (E)Integrated rate laws
  18. 18Which of the following is an example of fractional order reaction ?18 Apr, 2026 (E)Rate law and rate constant
  19. 19If time required for 90 % completion of a first order reaction is ' '. What is the time required for 99.9 % completion of reaction at same t17 Apr, 2026 (M)Integrated rate laws
  20. 20What is the term used for the minimum kinetic energy required for the reactant molecules to undergo reaction?17 Apr, 2026 (M)Arrhenius theory
  21. 21Half life of zero order reaction is 1 hour. If initial concentration of reactant is 2.0 mol , find the time required to decrease concentrati17 Apr, 2026 (M)Integrated rate laws
  22. 22Which of the following is an example of second order reaction ?17 Apr, 2026 (E)Rate law and rate constant
  23. 23In first order reaction 20 millimole of reactant is reduced to 10 millimole in minute. Find rate constant.17 Apr, 2026 (E)Integrated rate laws
  24. 24For the reaction rate law is , if rate constant is and concentration of NOBr is . What is the rate of reaction ?17 Apr, 2026 (E)Rate law and rate constant
  25. 25What is order of radioactive decay of a substance ?16 Apr, 2026 (M)Radioactivity
  26. 26The rate constant for the reaction is . If the rate is then the concentration of is16 Apr, 2026 (M)Rate law and rate constant
  27. 27The rate constant of reaction is at 300 K and at 330 K. What is the activation energy for the reaction? [ ]16 Apr, 2026 (M)Arrhenius theory
  28. 28The equation for the rate constant is . A chemical reaction will proceed more rapidly if there is a decrease in16 Apr, 2026 (E)Arrhenius theory
  29. 29If for a first-order reaction, and after 276 s, find the value of the rate constant (k).16 Apr, 2026 (E)Integrated rate laws
  30. 30The rate law for the reaction is found to be rate . The rate constant of the reaction at 300 K is . Calculate the rate of the reaction when 16 Apr, 2026 (E)Rate law and rate constant
  31. 31What is the value of the slope of a graph obtained by plotting the concentration of reactant versus time for zero order reaction?15 Apr, 2026 (M)Integrated rate laws
  32. 32The rate of the reaction is , when . If the reaction is of first order for A and zeroth order for B, then find the rate constant.15 Apr, 2026 (M)Rate law and rate constant
  33. 33The time required for completion of a certain first order reaction is hour. Calculate the time required for completion of the same reaction.15 Apr, 2026 (M)Integrated rate laws
  34. 34For the reaction , the rate of reaction is represented by15 Apr, 2026 (E)Rate of reaction
  35. 35The rate of reaction is When and , What is the rate constant of reaction, if it is first order with respect to A and second order with respe15 Apr, 2026 (E)Rate law and rate constant
  36. 36Identify a type of order of reaction that its unit of rate constant is mol dm s from the following.13 Apr, 2026 (M)Rate law and rate constant
  37. 37In first order reaction, 20 % concentration remains after 10 min. What would be the rate constant of reaction if ?13 Apr, 2026 (M)Integrated rate laws
  38. 38For the reaction, , the rate law is rate . The rate of reaction is when M, M at C. Calculate the rate constant of the reaction at the same t13 Apr, 2026 (M)Rate law and rate constant
  39. 39The rate constant of a reaction is s . Find the order of the reaction.13 Apr, 2026 (E)Rate law and rate constant
  40. 40The half-life of a first-order reaction is minutes. What is the rate constant (in min ) for this reaction?13 Apr, 2026 (E)Integrated rate laws
  41. 41A first order reaction takes minutes for it's completion. What fraction that would react in minutes from the beginning?13 Apr, 2026 (E)Integrated rate laws
  42. 42Which of the following statements is NOT true about the rate constant?11 Apr, 2026 (M)Rate law and rate constant
  43. 43The rate constant for a first order reaction is . How much time will it take to reduce the concentration of the reactant to of its initial v11 Apr, 2026 (M)Integrated rate laws
  44. 44A first order reaction complete % in minutes. How long will the reaction take to complete %?11 Apr, 2026 (M)Integrated rate laws
  45. 45What is the order of the following reaction ? , if rate =11 Apr, 2026 (E)Rate law and rate constant
  46. 46Half life period of a first order reaction is seconds. The rate constant of the reaction is11 Apr, 2026 (E)Integrated rate laws
  47. 47The half life of first order reaction is s. The initial concentration of the reactant is mol . What concentration would remain after s ?11 Apr, 2026 (E)Integrated rate laws
  48. 48Which of the following statements is NOT correct regarding order of reaction?05 May, 2025 (E)Rate law and rate constant
  49. 49What is half life of a first order reaction if time required to decrease concentration of reactant from 0.4 M to 0.1 M is hour?05 May, 2025 (E)Integrated rate laws
  50. 50For the reaction, disappears at a rate of Find the rate of formation of ?05 May, 2025 (E)Rate of reaction

Frequently Asked Questions

1.How many questions are available for Chemical Kinetics?

This chapter includes 303 questions compiled from MHTCET papers spanning 2007 to 2026.

2.Are these questions only from MHTCET, or from other exams too?

These are MHTCET questions specifically for the Chemical Kinetics chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Chemical Kinetics an important chapter for MHTCET Chemistry?

Chemical Kinetics has appeared in 16 of the 17 years of MHTCET papers covered here, with 303 questions across 106 papers - about 3 per paper it appears in.

4.What is the difficulty level of Chemical Kinetics questions in MHTCET?

Of the 303 questions analysed for this chapter, 55% are easy, 40% moderate and 6% tough. 2025 had the most, with 48 questions.

5.Which topics in Chemical Kinetics should I focus on?

These topics have carried the most weightage in Chemical Kinetics:

  • Integrated rate laws - 114 questions (38%)
  • Rate law and rate constant - 101 questions (33%)
  • Rate of reaction - 63 questions (21%)
  • Integrated rate laws has produced the most tough questions (13).
6.Is Chemical Kinetics's weightage in MHTCET going up or down?

Across all 106 papers analysed, Chemical Kinetics has averaged about 2.9 questions per paper. In the last three years (2024–2026), that average has fallen, at about 2.4 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.