Home
Class 12
CHEMISTRY
Calculate the half-life of a first orde...

Calculate the half-life of a first order reaction from their rate constants:
`4y^(-1)`

Text Solution

Verified by Experts

For a first order reaction, `t_(1//2)=(0.693)/(k)`
`k=4y^(-1)" " thereforet_(1//2)=(0.693)/(4)=0.173y`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|18 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise ADVANCED LEVEL NUMERICAL BANK|16 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT TEXTBOOK PROBLEMS (NCERT INTEXT QUESTIONS)|21 Videos

  • BIOMOLECULES

    CHHAYA PUBLICATION|Exercise Practic Set 29|1 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Practice Set 6|15 Videos

Similar Questions

Explore conceptually related problems

Calculate the half-life of a first order reaction from their rate constants: 200s^(-1)

Calculate the half-life of a first order reaction from their rate constants: 2"min"^(-1)

The half life period of a first order reaction is 10 minutes. Then its rate constant is

For the first order reaction, rate constant depends upon

The half life period for a first order reaction is .......

Calculate the rate constant for a first order reaction if 90% of the reactant is converted to product in 100 minutes.

The unit of second order reaction rate constant is

Half life period of a first order reaction 15 min. Calculate the rate constant and time for 80% completion of the reaction

Half - life of a first order reaction is 15 min . Calculate rate constant of the reaction and the time required to complete 80% of the reaction. If the initial concentration of the reactant is doubled , how long will it take to reach 50% completion ? Give reason.

The rate constant and half-life of a first order reaction at temperature T_(1) " are " k_(1)"min"^(-1) and x_(1) min , respectively and those at temperature T_(2) " are "k_(2) "min"^(-1) and x_(2) min , respectively. If T_(2)gtT_(1) , which is greater , x_(1) " or, " x_(2) ?

CHHAYA PUBLICATION-CHEMICAL KINETICS-SOLVED NCERT TEXTBOOK PROBLEMS (NCERT EXERCISE QUESTIONS)
  1. Calculate the half-life of a first order reaction from their rate con...

    Text Solution

    |

  2. Calculate the half-life of a first order reaction from their rate con...

    Text Solution

    |

  3. Calculate the half-life of a first order reaction from their rate con...

    Text Solution

    |

  4. The half-life for radioactive decay of .^(14)C is 5730 years . An arch...

    Text Solution

    |

  5. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  6. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  7. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  8. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  9. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  10. The experimental data for decomposition of N(2)O(2) [2N(2)O(5)rarr4NO(...

    Text Solution

    |

  11. The rate constant for a first order reaction is 60s^(-1) How much time...

    Text Solution

    |

  12. During nuclear explosion, one of the products is .^(90)"Sr" with half...

    Text Solution

    |

  13. For a first order reaction , show that time required for 99% completio...

    Text Solution

    |

  14. A first order reaction takes 40 min for 30% decomposition . Calculate ...

    Text Solution

    |

  15. For the decomposition of azoisopropane to hexane and nitrogen at 543 K...

    Text Solution

    |

  16. The following data were obtained during the first thermal decompositio...

    Text Solution

    |

  17. The rate constant for the decomposition of N(2)O(5) at various tempera...

    Text Solution

    |

  18. The rate constant for the decomposition of hydrocarbons is 2.418xx10^(...

    Text Solution

    |

  19. Consider a certain reaction Ararr products with k=2.0xx10^(-2)s^(-1) ...

    Text Solution

    |

  20. Sucrose decomposes in acid solution into glucose and fructose accordin...

    Text Solution

    |