Kinetic One Mark Questions

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  • 7/30/2019 Kinetic One Mark Questions

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    1. What (give) the unit of rate of reaction?2. Define rate constant of a reaction3. What is rate law?4. Define order of a reaction5. Rate constant of a reaction is 0.2 s -1 , what is the order of the reaction6. Specific reaction rate of a chemical reaction is 0.002 mol dm -3s-1.What is the order of the

    reaction?7. Specific reaction rate of a chemical reaction is 0.002 (mol dm -3)-1s-1.What is the order of the

    reaction?8. A reaction is independent of initial concentration of the reactant what is the order of the

    reaction

    9. In reaction unit of rate and rate constant are same what is the order of the reaction10. For a particular reaction rate doubles when the concentration of the reactants is doubled.

    What is the order of the reaction?

    11. For a particular reaction rate rate remains the same, when the concentration of thereactants is doubled. What is the order of the reaction?

    12. For a particular reaction rate increases by four times, when the concentration of thereactants is doubled. What is the order of the reaction?

    13. For a particular reaction rate doubles when the concentration of the reactants is doubled.What is the order of the reaction?

    14. Rate of the reaction at 0.2 moldm -3 is 0.002 moldm -3s-1and at 0.5 moldm -3 is 0.002 moldm -3s-1 what is the order of the reaction?

    15. Give the unit of rate constant of zero order reaction.16. Give the unit of rate constant of first order reaction.17. Give the unit of rate constant of second order reaction.18. Give the unit of rate constant of first order reaction.19. What happens to rate of reaction if temperature is raised?20. Unit of velocity constant of a reaction is mol dm -3s-1 what is the order of a reaction?21. Define order of chemical reaction22. Define zero order reaction23. Define first order reaction24. Write the expression for the rate constant (velocity constant or specific reaction rate)of first

    order reaction.

    25. Define second order reaction26. Define order reaction27. Define pseudo unimolecular reaction28. Give an example for zero order reaction29. Give an example for first order reaction30. Give an example for second order reaction31. Give an example for fraction order reaction32. Give an example for pseudo unimolecular reaction33. Give an example for pseudo first order reaction34. Give an example for fraction order reaction.

    35. Under which condition second order reaction becomes pseudo first order?

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    36. Give the relationship between rate constant and half- life period of a reaction.37. Half- life period of a particular reaction is independent of initial concentration. What is the

    order of the reaction?

    38. For a reaction, the graph of rate of the reaction against molar concentration of the reactantis a straight line parallel to the concentration axis. What is the order of the reaction?

    39. How is half- life period related to order in (a) zero order (b) first order (c)second order (d)n th

    order40. When the concentration of the reactant is doubled, the half- life period also doubles. What

    is the order of the reaction?41. Define temperature coefficient of a reaction42. Write an equation that relates the rate constant and temperature of a reaction43. Rate of reaction increases four times when the concentration of the reactant is doubled.

    What is the order of the reaction?44. How is half -life period of a reaction related to the order?45. Write Arrhenius equation and explain the terms.46. Temperature coefficient of a reaction is 3.What does it means?47. What happens to the rate of reaction if temperature is raised?48. The rate constant of a certain reaction is 0.693s -1what is its half- life period?49. Define threshold energy50. Define activation energy51. 75% of a reaction is completed in 60 min. What is the order of the reaction?( Ans 30 min)52. Show that rate doubles when concentration of the reactant is doubled

    53. Give the factors affecting order of a chemical reaction. Or mention the factors whichaffect the order of a reaction.

    54. Explain the factors affecting the order of the reaction55. Define first order reaction. Give example.56. Define zero order reaction. Give example.57. Define second order reaction. Give example.58. Define pseudo first order reaction. Give an example.59. Explain pseudo first order reaction with an example.60. Explains the fraction order reaction with an example.61. Define first order reaction. Give an example.62. Show that half -life period of first order reaction is independent of initial concentration.63. Give the Arrhenius equation and explain the terms.64. Explain temperature coefficient.65. With the graphical representation explain the effect of temperature on the rate of reaction.66. For a reaction, the graph of rate of the reaction against molar concentration of the reactant

    is a straight line parallel to the concentration axis. What is the order of the reaction? Give anexample for such reaction.

    67. Explain the effect of temperature on the reaction.68. PROBLEMS can be asked either for 2 or 3 marks.

    69. Derive expression for rate constant of a first order reaction.

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