Home
Class 12
CHEMISTRY
For a certain reaction a large fraction ...

For a certain reaction a large fraction of molecules has energy more than the threshold energy, still the rate of reaction is very slow. The possible reason for this could be that

Text Solution

Verified by Experts

This is because of improper orientation of the colliding molecules at the time of colliison.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Solved Example|52 Videos

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Ex 4.1 (Objective)|9 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Analytical And Descriptive)|34 Videos

  • COORDINATION COMPOUNDS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|18 Videos

Similar Questions

Explore conceptually related problems

For a certain reacation large fraction of molecules has energy more than energy more than the threshold enrgy,yet the rate of reaction is very slow. Why ?

In some cases, it is found that a large number of colliding molecules have energy more than thereshold value, yet the reaction is slow. Why?

The activation energy of a reaction is zero. The rate constant of this reaction

(a) The decomposition of A into products has a value of K as 4.5 xx 10^(3)s^(-1) " at "10^(@)C and energy of activation 60kJ "mol"^(-1) . At what temperature would K be 1.5 xx 10^(4) s^(-1) ? (b) (i) If half life period of a first order reaction is x and 3//4^(th) life period of the same reaction is y, how are x and y related to each other ? (ii) In some cases it is found that a large number of colliding molecules have energy more than threshold energy, yet the reaction is slow. Why?

CENGAGE CHEMISTRY ENGLISH-CHEMICAL KINETICS-Archives Subjective
  1. For a certain reaction a large fraction of molecules has energy more t...

    Text Solution

    |

  2. Rate of a reaction A + B rarr Product, is given as a function of diffe...

    Text Solution

    |

  3. A first order reaction is 20% complete in 10 min. Calculate (a) the sp...

    Text Solution

    |

  4. While studying the decompoistion of gaseous N(2)O(5), it is observed t...

    Text Solution

    |

  5. A first order gas reaction has k = 1.5 xx 10^(-6) s^(-1) at 200^(@)C. ...

    Text Solution

    |

  6. A first order reaction is 50% complete in 30 minutes at 27^(@)C and in...

    Text Solution

    |

  7. In a Arrhenius equation for a certain reaction, the values of A and E(...

    Text Solution

    |

  8. The decomposition of N(2)O(5) according to the equation: 2N(2)O(5)(g) ...

    Text Solution

    |

  9. If the rate of decomposition of N 2 ​ O 5 ​ during a certain time...

    Text Solution

    |

  10. The gas phase decompoistion of dimethyl ether follows first order kine...

    Text Solution

    |

  11. A first order reaction A rarr B requires activation energy of 70 kJ mo...

    Text Solution

    |

  12. form the following data for the reaction between A and B, (a) Cal...

    Text Solution

    |

  13. At 380^(@)C, the half-life period for the first order decomposition of...

    Text Solution

    |

  14. The ionization constant of overset(o+)(NH(4)) ion in water is 5.6 xx 1...

    Text Solution

    |

  15. The time required for 10% completion of a first order reaction at 298K...

    Text Solution

    |

  16. The rate constant for the first order decomposition of H(2)O(2) is giv...

    Text Solution

    |

  17. For the equation N(2)O(5)(g)=2NO(2)(g)+(1//2)O(2)(g), calculate the ...

    Text Solution

    |

  18. The rate constant of a reaction is 1.5 xx 10^(7)s^(-1) at 50^(@)C and ...

    Text Solution

    |

  19. The rate constant for an isomerization reaction, A rarr B is 4.5 xx 10...

    Text Solution

    |

  20. An organic reaction is carried out at 500 K. If the same reaction carr...

    Text Solution

    |

  21. The vapour pressure of two miscible liquids (A) and (B) are 300mm of H...

    Text Solution

    |