Home
Class 12
CHEMISTRY
what is the activation energy? How is ra...

what is the activation energy? How is rate constant related to activation energy?

Text Solution

Verified by Experts

For the definition of activation energy `(E_(a))`
Rate constant(k) for a reaction is related to activation energy as:
In k = In A -`E_(a)/RT`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Higher order thinking skills (hots) question|18 Videos
  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Multiple Choice Questions|32 Videos
  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Long Answer type question|14 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Unit Test - 1|20 Videos
  • CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS

    DINESH PUBLICATION|Exercise Exercise|507 Videos

Similar Questions

Explore conceptually related problems

Activation energy is

What is activation energy ?

What is Activation energy?

Activation energy is:

Rate of reaction at "400K" with " catalyst is equal to rate of reaction at "500K" without catalyst.What will be the activation energy of reaction if the catalyst lower the activation energy by "20KJ/mol

What is the relation between rate constant and activation energy of a reaction?

Assertion- Enzymes lowers the activation energy of the reaction. Reason- Higher activation energy helps the molecules to react with greater rate.

Activation energy is ______ to rate of reaction

DINESH PUBLICATION-CHEMICAL KINETICS-Qestions from board examinations
  1. For a reaction A+B to P, the rate law is given by: r=k[A]^(1//2)[B]^...

    Text Solution

    |

  2. A first order reaction is found to have a rate constant k= 5.5 xx 10^(...

    Text Solution

    |

  3. what is the activation energy? How is rate constant related to activat...

    Text Solution

    |

  4. If the rate constant for a reaction is expressed as: rate = k[A]^(2)[B...

    Text Solution

    |

  5. Give an example of second order reaction.

    Text Solution

    |

  6. Write note on activation energy.

    Text Solution

    |

  7. Write two differences between 'order of reaction' and 'molecularity of...

    Text Solution

    |

  8. Explain : Pseudo First Order Reaction

    Text Solution

    |

  9. For the first order reaction with rate contant k, which expression giv...

    Text Solution

    |

  10. What is activated complex?

    Text Solution

    |

  11. What is half life period ? Calculate the half life period for zero ord...

    Text Solution

    |

  12. i) Write the mathematics expressions relating the variation of the rat...

    Text Solution

    |

  13. Define rate constant, Write units of rate constant for fist and second...

    Text Solution

    |

  14. Write two differences between 'order of reaction' and 'molecularity of...

    Text Solution

    |

  15. Define the term collision frequency.

    Text Solution

    |

  16. Define rate of reaction, Write two factors that affects the rate of re...

    Text Solution

    |

  17. Derive the formula for the calculation of half-life period of first or...

    Text Solution

    |

  18. For a reaction, the unit of rate constants is s^(-1). What is the orde...

    Text Solution

    |

  19. If in a chemical reaction, A+B to Products, the rate law is given the ...

    Text Solution

    |

  20. Derive an expression for the rate constant in the first order reaction...

    Text Solution

    |