Home
Class 12
CHEMISTRY
The rate constant of a first order react...

The rate constant of a first order reaction is `3 xx 10^(-5) sec^(-1)M` If initial concentration is 0.10M, the initial rate is `(Ms^-1)`

A

`3 xx10^(-6)`

B

`3 xx 10^(-5)`

C

`3 xx 10^(-8)`

D

`3 xx 10^(-7)`

Text Solution

Verified by Experts

rate `=k xx[A]= 3xx 10^(-6)xx 0.1=3xx10^(-7)Ms^(-1)`
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    NIKITA PUBLICATION|Exercise MCQs|428 Videos

  • Chemical Thermodynamics & Energetics

    NIKITA PUBLICATION|Exercise QUESTION FROM COMPETITIVE EXAM|35 Videos

Similar Questions

Explore conceptually related problems

The rate constant of a first order reaction is 3 xx 10^(-6) per second. If the initial concentration is 0.10 M , the initial rate of reaction is

The rate constant of a first order reaction is 3 xx 10^(-6)" per sec" . If the initial concenration is 0.10M , the initial rate of reaction is : [Give your answer divide by 1.5 xx 10^(-8) ]

The rate constant of a first order reaction is 2.0 xx 10^(-5)s^(-1) and the initial concentration is 0.10 mol L^(-1) . The initial rate is

The specific reaction rate constant for a first order reaction is 1xx10^(-2)s^(-1) . If the initial concentration is 1 M , find the initial rate . What is the reaction rate after two minutes ?

The rate constant for a first order reaction is 7.5 xx 10^(-4) s^(-1) . If initial concentration of reactant is 0.080 M , what is the half life of reaction ?

The rate constant for a first order reaction is 7.0xx10^(-4) s^(-1) . If initial concentration of reactant is 0.080 M, what is the half life of reaction ?

NIKITA PUBLICATION-CHEMICAL KINETICS -MCQs
  1. The reaction ,N2O5 in 2NO2 + (1//2)O2(g) is of first order for N2O5 wi...

    Text Solution

    |

  2. The rate of disappearance of CO in the reaction, 2 CO +O2 to 2CO2 is 1...

    Text Solution

    |

  3. The rate constant of a first order reaction is 3 xx 10^(-5) sec^(-1)M ...

    Text Solution

    |

  4. For the reaction, 2N(2)O(5)to4NO(2)+O(2) rate and rate constant are 1....

    Text Solution

    |

  5. For reaction aArarrxP when [A] =2.2 m M, the rate was found to be 2.4 ...

    Text Solution

    |

  6. The order for the reaction, H2 +Cl2 overset(hv) to 2HCl over water is

    Text Solution

    |

  7. The rate constants k(1) and k(2) for two different reactions are 10^(2...

    Text Solution

    |

  8. The bromination of acetone that occurs in acid solution is represented...

    Text Solution

    |

  9. For the reaction N(2)O(5) rarr 2NO(2) + (1)/(2) O(2), the rate of disa...

    Text Solution

    |

  10. During the kinetic study of the reaction 2A + B to C + D following res...

    Text Solution

    |

  11. In a first order reaction, the concentration of the . reactant is decr...

    Text Solution

    |

  12. The decomposition of NH3 on platinum surface is zero· order with rate ...

    Text Solution

    |

  13. SO2Cl2 to SO2 +Cl2 is a first order gas reaction with k = 2.2 xx 10^(-...

    Text Solution

    |

  14. The half-life period of a first order reaction is 15 minutes. The amou...

    Text Solution

    |

  15. 99% at a first order reaction was completed in 32 min. When will 99.9%...

    Text Solution

    |

  16. The rate of the first-order reaction X rarr products is 7.5 xx 10^(-4)...

    Text Solution

    |

  17. For a reation: A rarr Product, rate law is -(d[A])/(dt)=K[A](0). T...

    Text Solution

    |

  18. A slope of a graph In [A] versus 't' for a first order is -5 xx 10^(-4...

    Text Solution

    |

  19. The decomposition of a substance 'R' takes place according to fl rst o...

    Text Solution

    |

  20. In a zero order reaction, A to Products, starting with 0.5 mol L^(-1)...

    Text Solution

    |