Home
Class 12
CHEMISTRY
Which of the following is correct for a ...

Which of the following is correct for a first order reaction? (K=rate constant `t_(1/2)=` half life)

A

`t_(1//2)=0.693xxK`

B

`k.t_(1//2)=(1)/(0.693)`

C

`t_(1//2)=0.693`

D

`6.93xxkxxt_(1//2)=1`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 2|93 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 3 (Previous NEET/AIPMT Questions)|32 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Subjective Exercise-4 (Numerical Problems)|7 Videos

  • CHEMICAL KINETCS

    AAKASH SERIES|Exercise EXERCISE - 3.2|45 Videos

  • CHEMICAL THERMODYNAMICS

    AAKASH SERIES|Exercise Additional Practice Exercise|54 Videos

Similar Questions

Explore conceptually related problems

Which of the following relation is correct for a first order reaction? (k=rate constant, r=rate of reaction , c=conc. Of reactat

The unit of rate of first order reaction is

The half life of a first order reaction is

The rate of first order reaction increases:

Calculate the half-life of first order reaction whose rate constant is 200 s ^(-1).

The half-life of a first order reaction is 10s. What is its rate constant (in s^(-1) ) ?

Time required to decompose SO_(2) Cl_(2) to half of its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.

AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 1
  1. A reaction involves two reactants. The rate of reaction is directly pr...

    Text Solution

    |

  2. In the reaction 2A+Bto Products the order w.r.t A is found toi be 1 an...

    Text Solution

    |

  3. What are the units of the rate constant of a reaction in which the hal...

    Text Solution

    |

  4. Which of the following represents the expression for 3/4 th life of 1s...

    Text Solution

    |

  5. Give relation between half reaction time (t(1//2)) and initial concent...

    Text Solution

    |

  6. Which of the following statements for the order of a reaction is incor...

    Text Solution

    |

  7. If a is the initial concentration of the reactant, the time taken for ...

    Text Solution

    |

  8. The slowest step of a particular reaction is found to be 1/2X(2)+Y(2)t...

    Text Solution

    |

  9. For the reaction AtoB, the rate law expression is : rate = K[A]. Which...

    Text Solution

    |

  10. Which of the following is correct for a first order reaction? (K=rate ...

    Text Solution

    |

  11. If a substance with half life 3 days is taken at other place in 12 day...

    Text Solution

    |

  12. Which one is not correct ?

    Text Solution

    |

  13. The half life periods of four reactions labelled by A,B, C & D are 30 ...

    Text Solution

    |

  14. In the case of a first order reaction, the ratio of the time required ...

    Text Solution

    |

  15. Which of the following is correct ?

    Text Solution

    |

  16. If the rate for the chemical reaction is expresssed at Rate =K[A][B]" ...

    Text Solution

    |

  17. If the rate of gaseous reaction is independent of pressure, the order ...

    Text Solution

    |

  18. The half life of a 1^(st) order reaction is 1 min 40 seconds. Calculat...

    Text Solution

    |

  19. The value of rate constant of a pseudo first order reaction

    Text Solution

    |

  20. The ratio of any colligative property for KCl solution to that of suga...

    Text Solution

    |