Home
Class 12
CHEMISTRY
At 380^(@)C , the half-life periof for t...

At `380^(@)C` , the half-life periof for the first order decompoistion of `H_(2)O_(2)` is `360 min`. The energy of activation of the reaction is `200 kJ mol^(-1)`. Calculate the time required for `75%` decompoistion at `450^(@)C`.

Text Solution

Verified by Experts

The correct Answer is:
`20.39 "min"`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    OP TANDON|Exercise OBJECTIVE QUESTIONS (LEVEL-A)|192 Videos
  • CHEMICAL KINETICS

    OP TANDON|Exercise OBJECTIVE QUESTIONS (LEVEL-B) SET I|48 Videos
  • CHEMICAL KINETICS

    OP TANDON|Exercise ILLUSTRATIONS|34 Videos
  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    OP TANDON|Exercise Integer|4 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Self Assessment (Integer type).|3 Videos

Similar Questions

Explore conceptually related problems

At 380^(@) the half-life period for thefirst order decomposition of H_(2)O_(2) is 360 min. The energy of activation of the reaction is 200 kJ mol^(-) . Calculation the time required for 75% decomposition at 450^(@) C (1) 20.35 min, (2) 40.7 min ( c) 120 min (d) 60 min

At 278 ""^(@)C the half life period for the first order thermal decomposition of ethylene oxide is 363 min and the energy of activation of the reaction is 52,00 cal/mole. From these data estimate the time required for ethylene oxide to be 75% decomposed at 450^(@)C .

If the half-lives of the first order reaction at 350 K and 300 K are 2 and 20 seconds respectively, the activation energy of the reaction in kJ "mol"^(-1) is :

The half-life periof for catalystic decompoistion of AB_(3) at 50 mm is found to be 4 hr and at 100 mm it is 2.0 hr . The order of reaction is

OP TANDON-CHEMICAL KINETICS-PRACTICE PROBLEMS
  1. Write the overall reaction and the rate law equation from the followin...

    Text Solution

    |

  2. The reaction 2NO+O(2)rarr2NO(2) proceeds in two steps. If one elementr...

    Text Solution

    |

  3. At 380^(@)C , the half-life periof for the first order decompoistion o...

    Text Solution

    |

  4. Calculating the average reaction rate : Calculate the average rate of ...

    Text Solution

    |

  5. Given the following graph. (a) Calculate Delta H for the reaction an...

    Text Solution

    |

  6. Temperature coceficient, mu=(k(35^(@)C))/(k(25^(@)C)) of a reaction is...

    Text Solution

    |

  7. For first order gaseous reaction , log k when plotted atgains (1)/(t) ...

    Text Solution

    |

  8. The rate at 27^(@)C of a chemical reaction increases 1000 times when a...

    Text Solution

    |

  9. Dehydration of tertiary butyl alcohol follows a first order reaction, ...

    Text Solution

    |

  10. Let us consider the following mechanism : CH(3)CN+^(+)hArrCH(3)CNH^(...

    Text Solution

    |

  11. The thermal isomerization of cyclopropane occures according to the equ...

    Text Solution

    |

  12. A substance '' was found to undergo two parallel first order reaction ...

    Text Solution

    |

  13. Two reactions proceed at 25^(@)C at the same rate, the temperature coe...

    Text Solution

    |

  14. Half lives against initial pressure are given below. Calculate the ord...

    Text Solution

    |

  15. for a given reaction at temeperature T, the velocity constant k, is ex...

    Text Solution

    |

  16. If the activation energy of a reaction is 80.9 kJ "mol"^(-1). Calculat...

    Text Solution

    |

  17. The following data wer obtained for a given reaction at 300 K Cal...

    Text Solution

    |

  18. The Arrhenius equations for cis-trans isomerzation of but-2-ene (CH(3)...

    Text Solution

    |

  19. The half life for a reaction between fixed conecntration of reactants ...

    Text Solution

    |

  20. What percentage of reactant molecules will crossover the energe barrie...

    Text Solution

    |