Home
Class 12
CHEMISTRY
A first order reaction has a half life p...

A first order reaction has a half life period of 34.65 seconds. Its rate constant is

A

`2xx10^-2s^-1`

B

`4xx10^-4s^-1`

C

`20 s^-1`

D

`2xx10^-4s^-1`

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

For the first order reaction, the half life period is (if k is rate constant and a is initial concentration),

Calculate rate constant for the first order reaction, whose half-life period is 4.6 s.

Calculate rate constant for the first order reaction, whose half-life period is 4.6 s.

Define half life period of a reaction.

For a first order reaction, half life period (t_(1//2)) is 100 seconds. How long will it take for the reaction to complete 75%?

Half life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is :

Derive the integrated rate equation for the rate constant for a first order reaction. What would be units of the first order rate constant, if the concentration is expressed in moles per litre and time to seconds ? Also give graphical representation of integrated rate law equation.

MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. Define order of a reaction.

    Text Solution

    |

  2. Define activation energy of a reaction.

    Text Solution

    |

  3. A first order reaction has a half life period of 34.65 seconds. Its ra...

    Text Solution

    |

  4. If a graph is plotted between Iog k and 1/T the slope of the straight...

    Text Solution

    |

  5. Reactions with very low activation energies are generally

    Text Solution

    |

  6. Which of the following does not influence the reaction rate?

    Text Solution

    |

  7. Unit of rate constant for zero order reaction is

    Text Solution

    |

  8. A catalyst :

    Text Solution

    |

  9. What is the unit of rate constant for second order reaction ?

    Text Solution

    |

  10. The value of k for a reaction is 2.96xx10^(30)s^-1 , what is the order...

    Text Solution

    |

  11. A reaction was found to be of second order with respect to concentrati...

    Text Solution

    |

  12. What is the unit of rate of reaction ?

    Text Solution

    |

  13. Half life period of a first order reaction is :

    Text Solution

    |

  14. Calculate the half-life of a first order reaction from its rate consta...

    Text Solution

    |

  15. The change in any one of the reactants or products per unit time is ca...

    Text Solution

    |

  16. The rate of a reaction is 1.209 xx10^-4L^2 mol^-2 s^-1. The order of t...

    Text Solution

    |

  17. A larger increase in reaction rate with small rise in temperature is d...

    Text Solution

    |

  18. Discuss the various factors affecting the rates of chemical reactions.

    Text Solution

    |

  19. What is meant by order of a chemical reaction ? The reaction : 2NO2 + ...

    Text Solution

    |

  20. What is meant by order of a chemical reaction ? The reaction : 2NO2 +...

    Text Solution

    |