Home
Class 12
CHEMISTRY
For a reaction, the rate constant is 2.3...

For a reaction, the rate constant is `2.34 s^(-1)`. The half-life period for the reaction is

A

0.30 s

B

0.60 s

C

3.3 s

D

Date is insufficient

Text Solution

Verified by Experts

The correct Answer is:
A
`t_(1//2) = (0.693)/(K) = (0.693)/(2.34) = 0.296s`
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Artificial transmutation )|59 Videos

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Isotopes-Isotones and Nuclear isomers)|34 Videos

  • NUCLEAR CHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking (Causes of radioactivity and Group displacement law)|66 Videos

  • NITROGEN CONTAINING COMPOUNDS

    ERRORLESS |Exercise JEE (ADVANCED) 2018 MORE THAN ONE CHOICE CORRECT ANSWER|1 Videos

  • ORES, MINERALS AND METALLURGICAL EXTRACTION

    ERRORLESS |Exercise JEE ANSWER TPYE QUESTION (JEE Advanced) 2018) Numeric answer type question|1 Videos

Similar Questions

Explore conceptually related problems

For a first - order reaction, the rate of reaction is 1.0xx10^(-2) mol L^(-1) s^(-1) and the initial concentration of the reactant is 1 M. The half-life period for the reaction is

Half life period of 2 nd order reaction is

A 1^(st) order reaction has specific rate constant of 2 min ^(-1) The half - life of this reaction will be ______.

Derive an expression for the relation between half life and rate constant for first order reaction. The half life period for first order reaction is 1.7 hrs. How long will it take for 20% of the reactant to disappear?

The specific reaction rate of a first order reaction is 0.347 times 10^–3 sec^–1 . The half life period of the reaction will be :

A first order reaction is found to have a rate constant, k = 4.2 xx 10^(-12) s^(-1) . Find the half-life of the reaction.

ERRORLESS -NUCLEAR CHEMISTRY -Ordinary Thinking (Rate of decay and Half - life)
  1. 2 g of a radioactive sample having half-life of 15 days was synthesise...

    Text Solution

    |

  2. If n(t) number of radioatoms are present at time t, the following expr...

    Text Solution

    |

  3. The half-life for decay of .^(14)C " by " beta-emission is 5730 years....

    Text Solution

    |

  4. Rate constant for a reaction is lambda. Average life is representative...

    Text Solution

    |

  5. In which radiation mass number and atomic number will not change ?

    Text Solution

    |

  6. t(1//2) of C^(14) isotope is 5770 years. time after which 72% of isot...

    Text Solution

    |

  7. A radioactive substance takes 20 min to decay 25%. How much time will ...

    Text Solution

    |

  8. What kind of radioactive decay does not lead to the formation of a dau...

    Text Solution

    |

  9. Given that radioactive species decays according to the exponential law...

    Text Solution

    |

  10. A radioactive isotope decays at such a rate that after 192 minutes onl...

    Text Solution

    |

  11. Half - life for radioactive .^(14)C is 5760 years. In how many years 2...

    Text Solution

    |

  12. A certain nuclide has a half-life period of 30 minutes. If a sample co...

    Text Solution

    |

  13. For a reaction, the rate constant is 2.34 s^(-1). The half-life period...

    Text Solution

    |

  14. The half-life of a radionuclide is 69.3 minutes. What is its average l...

    Text Solution

    |

  15. .(11)Na^(24) half-life is 15 hours. On heating it will

    Text Solution

    |

  16. A radioactive isotope has a half-life of 20 days. If 100 g of the subs...

    Text Solution

    |

  17. The decay of a radioactive element follows first order kinetic. Thus, ...

    Text Solution

    |

  18. 1.0 g radioactive sodium on decay becomes 0.25 g in 16 hours. How much...

    Text Solution

    |

  19. The decay constant of Ra^(226) is 1.37xx10^(-11)s^(-1). A sample of Ra...

    Text Solution

    |

  20. The ratio of the amount of two element X and Y at radioactive equilibr...

    Text Solution

    |