Home
Class 12
CHEMISTRY
t(1//4) can be taken as the time taken f...

`t_(1//4)` can be taken as the time taken for concentration of reactant to drop to `.^(3)//_(4)` of its initial value. If the rate constant for a first order reaction is `K`, then `t_(1//4)` can be written as:

A

`0.10 //K`

B

`0.29//K`

C

`0.69//K`

D

`0.75//K`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise Evaluation test|13 Videos
  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|49 Videos
  • BIOMOLECULES

    TARGET PUBLICATION|Exercise Evaluation Test|10 Videos
  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos

Similar Questions

Explore conceptually related problems

The time taken for the completion of 3/4 of a first order reaction is

For a first order reaction, the ratio of t_(1//2) to t_(3//4) is

For given first order reaction, the reactant reduced to 1/4th its initial value in 10 min. The rate constant of the reaction is

In a first order reaction the concentration of the reactant is reduced to one-fourth of its initial value in 50 seconds. Cacluate the rate constant the reaction

TARGET PUBLICATION-CHEMICAL KINETICS-COMPETITIVE THINKING
  1. In a first order reaction , the concentration of the reactant ...

    Text Solution

    |

  2. The rate of a first-order reaction is 0.04 "mol L"^(-1) s^(-1) at 10 s...

    Text Solution

    |

  3. t(1//4) can be taken as the time taken for concentration of reactant t...

    Text Solution

    |

  4. For first order reaction, the time taken to reduce tha initial concent...

    Text Solution

    |

  5. The half-life period of a first order reaction is 10 minutes. Starting...

    Text Solution

    |

  6. Decompsition of H(2)O(2) follows a frist order reactions. In 50 min th...

    Text Solution

    |

  7. The decomposition of phosphine [PH(3)] on tungsten at low pressure is ...

    Text Solution

    |

  8. The plote between concentration versus time for a zero order reaction ...

    Text Solution

    |

  9. The relationship between rate constant and half life period o...

    Text Solution

    |

  10. The time for half-life period of a certain reaction, A rarr products i...

    Text Solution

    |

  11. Under the same reaction conditions, the intial concentration of 1.386 ...

    Text Solution

    |

  12. Units of rate constant of first and zero order reactions in terms of m...

    Text Solution

    |

  13. Certain bimolecular reactions which follow the first order kine...

    Text Solution

    |

  14. Give one example of pseudo first order reaction.

    Text Solution

    |

  15. Number of reactant molecules participating in a chemical reacti...

    Text Solution

    |

  16. For the reaction O(3(g)) +O((g)) to 2O(2(g)) , if the rate law...

    Text Solution

    |

  17. A certain reaction ocuurs in two steps as (I) 2SO(2(g))+2NO(2(...

    Text Solution

    |

  18. The reaction takes place in two steps as (i) NO(2) Cl ((g)) ...

    Text Solution

    |

  19. Reaction : - 3ClO^(-) to ClO3^(-) +2Cl^(-) occurs in following t...

    Text Solution

    |

  20. Consider the endothermic reaction XrarrY with the activation energies...

    Text Solution

    |