Home
Class 12
CHEMISTRY
At 380^(@)C, the half life of decomposit...

At `380^(@)C`, the half life of decomposition of hydrogen peroxide is 6 hr and activation enery is `200 KJ mol^(-1)` Calculate the times required for 50% and 75% decomposition at `450^(@)C`.

Text Solution

Verified by Experts

The correct Answer is:
`10.2` min;20.4 min.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETCS

    AAKASH SERIES|Exercise EXERCISE -3.1.3|6 Videos

  • CHEMICAL EQUILIBRIUM

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS|5 Videos

  • CHEMICAL KINETICS

    AAKASH SERIES|Exercise Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)|44 Videos

Similar Questions

Explore conceptually related problems

For a first order reaction at 27^(@)C the rato of time required for 75% completion of 25% completion of reaction is

For a first order reaction at 27^@ C, the ratio of time required for 75% completion to 25% completion of reaction is

Decomposition of X and Y obey first order with half lives 54 and 18 min, respectively. Starting with of [X]/[Y] = 1, calculate the time required for the ratio 4:1.

The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log2=0.301)

75% . of a first order reaction is complete is 30 min. Calculate (a) half life, (b) rate constant and (c) time required for 99.9% completion of the reaction.

Thermal decomposition of HCOOH is a first order reaction and the rate constant at T(K) is 4.606xx10^(-1)s^(-1) . The time required to decompose 90% of initial quantity of HCOOH at T(K) in second is

A first order reaction is 50% complete in min at 27^(@)C ?and 10 min at 47^(@)C . Calculate the rate constant and activation energy at 27^(@)C .

The decomposition of A into product has value of k as 4.5 xx10^(3) s^(-1)at 10^(@)C and energy of activation 60 kJ mol ^(-1). At what temperature would k be 1.5 xx10^(4) s^(-1)?

AAKASH SERIES-CHEMICAL KINETCS-EXERCISE - 3.2
  1. In the chemical reaction, 3A + B to 2C + 3D, the rate of appearance o...

    Text Solution

    |

  2. Decay constant of a nuclear reaction is temperature independent. Why?

    Text Solution

    |

  3. At 380^(@)C, the half life of decomposition of hydrogen peroxide is 6 ...

    Text Solution

    |

  4. The rate constant of a first order reaction at 500 K is 2.35 xx 10^(-5...

    Text Solution

    |

  5. With 100 kJ mol- activation energy for an uncatalysed reaction at 20°C...

    Text Solution

    |

  6. Write the rate equation, integral rate constant and half life dependen...

    Text Solution

    |

  7. When rate is plotted vs (a -x^(n)), a straight line is obtained wi...

    Text Solution

    |

  8. What is a pesudo - order reaction ? Why is it so called ?

    Text Solution

    |

  9. If a second order reaction is 75% complete in 1 hr , calculate th...

    Text Solution

    |

  10. For a reaction , the reactant concentration decreases 20% in 1 hr a...

    Text Solution

    |

  11. The rate of a first order reaction is 0.04 mol L^(-1) s^(-1) after ...

    Text Solution

    |

  12. A reaction proceeds 5 times more at 60^(@)C, as it does at 30^(@)C ...

    Text Solution

    |

  13. Rate constant of a reaction is 10^(-3) s^(-1). Calculate the perc...

    Text Solution

    |

  14. For a reaction A + 2B to 2C, the kinetic data is given below: ...

    Text Solution

    |

  15. Time required for 50% completion of the first order reaction in ...

    Text Solution

    |

  16. A first order reaction is 50% complete in min at 27^(@)C ?and 10 m...

    Text Solution

    |

  17. The concentrations of N(2)O(5) decomposing in first order kinetics a...

    Text Solution

    |

  18. CH(3)O CH(3) (g) to CH(4)(g) + H(2)(g) + CO(g) . The decomposition fo...

    Text Solution

    |

  19. For the catalytic decomposition of a substance , half - lives are g...

    Text Solution

    |

  20. A drop of solution (0.05 mL) contains 2 xx 10^(6) mol of H^(+). How ...

    Text Solution

    |