Home
Class 12
CHEMISTRY
The activation energy of a reaction can ...

The activation energy of a reaction can be determined by

A

determining the rate constant at standard temperature.

B

determining the rate constants at two temperatures.

C

determining probability of collision.

D

using catalyst.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    MODERN PUBLICATION|Exercise EXERCISE|531 Videos
  • BIOMOLECULES

    MODERN PUBLICATION|Exercise EXERCISE|503 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    MODERN PUBLICATION|Exercise EXERCISE|352 Videos

Similar Questions

Explore conceptually related problems

Define activation energy of a reaction.

The activation energy of reaction is equal to

At 27^@C in the presence of a catalyst, the activation energy of a reaction is lowered by 10 kJ mol^-1 . The ratio of log k (catalyst)/k (uncatalysed) is

True or False : Higher the activation energy of a reaction, faster is the reaction.

Arrhenius studies the effect of temperature on the rate of a reaction and postulted that rate constant varies with temperature exponentially as k=Ae^(E_(a)//RT) . Thuis method is generally used for finding the activation energy of a reaction. Keeping temperature constant, the effect of catalyst on the activation energy has also been studied. If the rate of reaction doubles for 10^(@)C rise of temperature form 290K to 300K, the activation energy of the reaction will be approximately: a) 40 Kcal mol^(-1) b) 12 Kcal mol^(-1) c) 60 Kcal mol^(-1) d) 70 Kcal mol^(-1)

Arrhenius studies the effect of temperature on the rate of a reaction and postulated that rate constant varies with temperature exponentially as k=Ae^(-E_(a)//RT) . This method is generally used for finding the activation energy of a reaction. Keeping temperature constant, the effect of catalyst on the activation energy has also been studied. If x is the fraction of molecules having energy greater than E_(a) it will be given by : a) x=-(E_(a))/(RT) b) In x=-(E_(a))/(RT) c) x=e^(E_(a)//RT) d) Any of these

Arrhenius studies the effect of temperature on the rate of a reaction and postulted that rate constant varies with temperature exponentially as k=Ae^(E_(a)//RT) . Thuis method is generally used for finding the activation energy of a reaction. Keeping temperature constant, the effect of catalyst on the activation energy has also been studied. The pre-exponetial factor in the Arrhenius equation of a first order reaction has the unit : a) mol L^(-1)s^(-1) b) L mol^(1)s^(-1) c) s^(-1) d) dimensionless

The activation energy for the reaction if k = A is

MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. The role of a catalyst in a chemical reaction is to change:

    Text Solution

    |

  2. In the presence of a catalyst, the heat evolved or absorbed during the...

    Text Solution

    |

  3. The activation energy of a reaction can be determined by

    Text Solution

    |

  4. Consider the following figure and mark the correct option.

    Text Solution

    |

  5. Consider a first order gas phase decomposition reaction given below : ...

    Text Solution

    |

  6. According to Arrhenius equation rate constant k is equal to A e^(-Ea//...

    Text Solution

    |

  7. Consider the Arrhenius equation given below and mark the correct optio...

    Text Solution

    |

  8. A graph of volume of hydrogen released Vs time for the reaction betwee...

    Text Solution

    |

  9. Which of the following statements is not correct about order of a reac...

    Text Solution

    |

  10. Consider the graph given in previous question. Which of the following ...

    Text Solution

    |

  11. Which of the following statements is correct?

    Text Solution

    |

  12. Which of the following graphs represents exothermic reaction?

    Text Solution

    |

  13. Rate law for the reaction A + 2B to C is found to be rate = k [A][B]...

    Text Solution

    |

  14. Which of the following statements is incorrect about the collision the...

    Text Solution

    |

  15. A first order reaction taken 16 minutes for 50% completion. How much t...

    Text Solution

    |

  16. Compounds ‘A’ and ‘B’ react according to the following chemical equati...

    Text Solution

    |

  17. Which of the following statements are not correct regarding rate of ca...

    Text Solution

    |

  18. Define the following terms : Pseudo first order reaction.

    Text Solution

    |

  19. Consider the reaction A harr B. The concentration of both the reactant...

    Text Solution

    |

  20. In the following questions two or more options may be correct. Rate la...

    Text Solution

    |