Home
Class 12
CHEMISTRY
A first order reaction is 50% completed ...

A first order reaction is 50% completed in `1.26xx10^(14)s.` How much time would it take for 100% completion-

A

`1.26xx10^(15)s`

B

`2.52xx10^(14)`

C

`2.52xx10^(28)s`

D

infinite

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question) (More Than One Correct Type)|12 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Short Answer Type)|20 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise ENTRANCE Question Bank (AIIMS)|14 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

A first order reactions 50% completed in 1.26xx10^4 sec. How much time would take for 100% completion.

A first order reaction takes 46 min for its 99% completion . How much time did it take for its 75% completion -

A second order reaction in which both the reactants have same concentration is 20% completed in 500 seconds. How much time It will take for 60% completion ?

A first order reaction is 60% complete in 20 min. How long will the reaction take to be 84% complete ?

A first order reaction has a specific reaction-rate of 10^(-2)s^(-1) . How much time will it take for 20 g of the reactant to reduce to 5g-

A first order reaction takes 30 minutes for 50% completion. Calculate the time required for 90% completion of this reaction . (log2=0.3010)

A first order reaction takes one hour for 50% completion How long will it take to reach 90% completion ?

75% of a first order reaction is completed in 30 min. What ts the time required for 93.75% completion of the reaction (in minutes) ?

The time taken by a first order reaction to reach 10% completion at 298K is the same as the time taken to reach 30% completion at 308K . If value of A=4xx10^(11)s^(-1) , calculate the rate constant at 308K.

CHHAYA PUBLICATION-CHEMICAL KINETICS-SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question) (Single Correct Type)
  1. The role of a catalyst is to change -

    Text Solution

    |

  2. In the presence of a catalyst , the heat evolved or absorbed during th...

    Text Solution

    |

  3. Activation energy of a chemical reaction can be determined by-

    Text Solution

    |

  4. Consider a first order gas phase decomposition reaction given below : ...

    Text Solution

    |

  5. According to Arrhenius equations rate constant (k) is equal to Ae^(-E(...

    Text Solution

    |

  6. Consider the Arrhenius equation given below and mark the correct optio...

    Text Solution

    |

  7. A graph of volume of hydrogen released vs time for the reaction betwee...

    Text Solution

    |

  8. Which of the following statements is not correct about order of a reac...

    Text Solution

    |

  9. Consider the graph given in question no. 8 . Which of the following op...

    Text Solution

    |

  10. Which of the following statements is not correct -

    Text Solution

    |

  11. Which of the following expressions is correct for the rate of reaction...

    Text Solution

    |

  12. Rate law for the reaction A+2BrarrC , is found to be Rate =k [A][B]...

    Text Solution

    |

  13. Which of following statements is incorrect about the collision theory ...

    Text Solution

    |

  14. A first order reaction is 50% completed in 1.26xx10^(14)s. How much ti...

    Text Solution

    |

  15. Which of the given statement is incorrect for catalyst-

    Text Solution

    |

  16. Value of rate constant of a pseudo first order reaction-

    Text Solution

    |

  17. Consider the reaction ArarrB . The concentration of both the reactant...

    Text Solution

    |