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Chemistry - Chemical Kinetics

Practise 66 TS EAMCET previous year questions on Chemical Kinetics, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty TS EAMCET tests.

Chemical Kinetics has been asked in 22 of the 24 years of TS EAMCET papers analysed (2001–2024), with 66 questions in all. 52% of them were easy, 36% moderate and 12% tough. Most of its questions came from 2020, with 8 questions that year. In the last three years (2022–2024) it had 18 questions across 17 papers, about 1.1 per paper.

The chapter's 6 topics are not weighted equally: Integrated rate laws (20 questions, 30%), Arrhenius theory (20 questions, 30%), and Rate law and rate constant (13 questions, 20%) have been asked the most. Over the last five years the most frequent topics have been Rate law and rate constant (9), Arrhenius theory (8), and Integrated rate laws (5). Arrhenius theory has produced the most tough questions (5).

  1. 1is a first order reaction. For this reaction a graph of (on y -axis) and time (on -axis) gave a straight line with negative slope. The inter04 May, 2025 (M)Integrated rate laws
  2. 2is a first order reaction. At 300 K this reaction was started with . The rate constant of reaction was . The same reaction was started separ04 May, 2025 (E)Rate law and rate constant
  3. 3For a first order decomposition of a certain reaction, rate constant is given by the equation . The activation energy of the reaction (in ) 03 May, 2025 (M)Arrhenius theory
  4. 4The half-life of a zero order reaction products, is 0.5 hour. The initial concentration of A is . How much time (in hr ) does it take for it03 May, 2025 (E)Integrated rate laws
  5. 5For the reaction , half life is independent of initial concentration of the reactant, R. Which one of the following graphs is not correct fo02 May, 2025 (M)Integrated rate laws
  6. 6Consider a general first order reaction If the initial pressure is 200 mm and after 20 minutes it is 250 mm, then the half-life period of th02 May, 2025 (E)Integrated rate laws
  7. 7For the gaseous reaction, the rate can be expressed as The correct relation between and is11 May, 2024 (M)Rate of reaction
  8. 8The decomposition of benzene diazonium chloride is a first order reaction. The time taken for its decomposition of and of its initial concen10 May, 2024 (M)Rate of reaction
  9. 9For a first order reaction, the graph between (on -axis) and time (in min, on -axis) gave a straight line passing through origin. The slope 10 May, 2024 (E)Integrated rate laws
  10. 10For a first order reaction, a plot of -axis) and ( -axis) gave the straight line with slope equal to and intercept equal to 2.303 (on -axis)09 May, 2024 (M)Arrhenius theory
  11. 11Consider the gaseous reaction The following data was obtained for the above reaction. The value of rate constant for the above reaction is09 May, 2024 (E)Rate law and rate constant
  12. 12The rate law for the decomposition of hydrogen iodide is . The units of rate constant are14 May, 2023 (M)Rate law and rate constant
  13. 13For reaction , following mechanism has been proposed (Is slow) and (Is fast).14 May, 2023 (E)Parallel and Sequencial rate laws
  14. 14The rate of a first order reaction doubles when the temperature changes from to . The activation energy of the reaction (in ) is13 May, 2023 (M)Arrhenius theory
  15. 15For a zero order reaction product, a plot of (on -axis) and time (on -axis) gave a straight line with slope equal to and intercept equal to 13 May, 2023 (E)Rate law and rate constant
  16. 16If benzene diazonium chloride undergoes first order decomposition at with a rate constant of , the time for completion of of the reaction (i12 May, 2023 (M)Rate law and rate constant
  17. 17The graph obtained between Rate constant on -axis on -axis is a straight line. The slope of it is . The activation energy of the reaction (i12 May, 2023 (E)Arrhenius theory
  18. 18Rate constants in the following reaction are Reaction 1: Reaction 2: A Reaction 3: A The correct relations between the rate of the reactions20 Jul, 2022 (M)Rate law and rate constant
  19. 19For a reaction, the threshold energy is . If the internal energy of the reactants is , the activation energy (in ) is20 Jul, 2022 (E)Arrhenius theory
  20. 20The reaction has a rate constant of . Which of the following is correct?19 Jul, 2022 (M)Methods to determine order of reaction
  21. 21Which of the following is a zero order reaction?19 Jul, 2022 (E)Methods to determine order of reaction
  22. 22If the definition of the temperature coefficient of the reaction holds good for a reaction between 27 C and 37 C , the activation energy for18 Jul, 2022 (M)Arrhenius theory
  23. 23The rate constant of a reaction is increased 4 times after addition of catalyst to the reaction mixture at the same temperature of 27 C . Th18 Jul, 2022 (E)Arrhenius theory
  24. 24Half life periods for a reaction at initial concentrations of 0 . 1 M and 0 . 01 M are 5 and 50 minutes, respectively. The order of reaction18 Jul, 2022 (E)Methods to determine order of reaction
  25. 25For a reaction , the following data are provided The rate constant for this reaction in standard unit is06 Aug, 2021 (M)Rate law and rate constant
  26. 26For a hypothetical reaction, Rate law for this reaction is06 Aug, 2021 (E)Rate of reaction
  27. 27Calculate the activation energy of a reaction, whose rate constant doubles on raising the temperature from 300 K to 600 K .05 Aug, 2021 (M)Arrhenius theory
  28. 28For a first order reaction t 1 / 2 is 1200 s . The specific rate constant in s - 1 is05 Aug, 2021 (E)Methods to determine order of reaction
  29. 29What will be the overall order of a reaction for which the rate expression is given as Rate = K [ A ] 1 2 [ B ] 3 204 Aug, 2021 (M)Rate law and rate constant
  30. 30In the sequence of reaction A k 1 X k 2 Y k 3 Z k 3 k 2 k 1 , then the rate determining step is04 Aug, 2021 (E)Rate law and rate constant
  31. 31The half-life of a first order reaction varies with temperature according to14 Sep, 2020 (M)Integrated rate laws
  32. 32For a reversible reaction , pre-exponential factor is same for both the forward and backward reactions and has value of . If the enthalpy ch14 Sep, 2020 (E)Arrhenius theory
  33. 33For a first order reaction , the temperature dependent rate constant in was found to follow the equation : . The activation energy and pre-e11 Sep, 2020 (M)Arrhenius theory
  34. 34What is the unit for the zero order rate constant?11 Sep, 2020 (E)Rate law and rate constant
  35. 35For a zero order reaction, the plot of concentration of reactant time is (Hint: Consider the intercept on the concentration axis)10 Sep, 2020 (M)Integrated rate laws
  36. 36The specific rate constant of decomposition of a compound is given by . The activation energy of decomposition for this compound at is10 Sep, 2020 (E)Arrhenius theory
  37. 37The rate of chemical reaction doubles with every 10 o C rise in temperature. If the reaction is carried out in the vicinity of 22 o C , the 09 Sep, 2020 (M)Arrhenius theory
  38. 38For a reaction, , the average energies of and are 30 and respectively. Energy of the activation for the backward reaction is . The energy of09 Sep, 2020 (E)Arrhenius theory
  39. 39The first order decomposition of in an appropriate medium is characterised by a rate constant of . What is the time (in min) required to com06 May, 2019 (M)Integrated rate laws
  40. 40The decomposition of follows first order kinetics and is given by The rate constant for this reaction is . The initial pressure of is . What04 May, 2019 (M)Integrated rate laws
  41. 41When the temperature of a reaction is raised by , how many times the rate will be enhanced?04 May, 2019 (E)Arrhenius theory
  42. 42For a zero-order reaction, the correct expression for rate constant at half-life time is initial concentration of reactant)03 May, 2019 (M)Integrated rate laws
  43. 43The mass of Haemoglobin in mg required to protect from coagulation of 50 mL of a gold sol on adding 5 mL of 10 % NaCl solution is: (gold num03 May, 2019 (E)Rate law and rate constant
  44. 44Which of the following graphs represent a first order reaction initial concentration of reactant, concentration of reactant consumed, time)?07 May, 2018 (M)Integrated rate laws
  45. 45A particular reaction has a rate constant . How long does it take for of the reactant of reduce to ?05 May, 2018 (M)Integrated rate laws
  46. 46Which of the following graphs represents a zero order reaction? (a = initial concentration of reactant, concentration of reactant consumed, 05 May, 2018 (E)Integrated rate laws
  47. 47If the rate constants of a reaction at 500 K and 700 K are 0 . 002 s - 1 and 0 . 06 s - 1 , respectively, the value of activation energy is 04 May, 2018 (M)Arrhenius theory
  48. 48For a particular reaction, the rate constant becomes double on increasing temperature from to . Calculate the approximate activation energy 04 May, 2018 (E)Arrhenius theory
  49. 49Which of the following are the correct representations of a zero order reaction, where represents the reactant?2017Integrated rate laws
  50. 50For the reaction2016Rate of reaction

Frequently Asked Questions

1.How many questions are available for Chemical Kinetics?

This chapter includes 66 questions compiled from TS EAMCET papers spanning 2001 to 2025.

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

These are TS EAMCET 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 TS EAMCET Chemistry?

Chemical Kinetics has appeared in 23 of the 25 years of TS EAMCET papers covered here, with 66 questions across 62 papers - about one per paper it appears in.

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

Of the 66 questions analysed for this chapter, 52% are easy, 36% moderate and 12% tough. 2020 had the most, with 8 questions.

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

These topics have carried the most weightage in Chemical Kinetics:

  • Integrated rate laws - 20 questions (30%)
  • Arrhenius theory - 20 questions (30%)
  • Rate law and rate constant - 13 questions (20%)
  • Arrhenius theory has produced the most tough questions (5).
6.Is Chemical Kinetics's weightage in TS EAMCET going up or down?

Across all 62 papers analysed, Chemical Kinetics has averaged about 1.1 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.