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

20.34 min
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS OBJECTIVE QUESTIONS

    RC MUKHERJEE|Exercise MCQ|277 Videos

  • MOLECULAR WEIGHT

    RC MUKHERJEE|Exercise PROBLEMS |12 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

Time for half change for a first order reaction is 25 min. What time will be required for 99% reaction ?

RC MUKHERJEE-MISCELLANEOUS PROBLEMS FOR REVISION-SUBJECTIVE TYPE QUESTIONS
  1. An excess of liquid mercury is added to an acidified solution of 1 xx...

    Text Solution

    |

  2. Calculate the pH of an aqueous solution of 1.0M ammonium formate assum...

    Text Solution

    |

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

    Text Solution

    |

  4. ""88^@224Ra having t(1//2) = 3.64d emits an a particle to form ""(86...

    Text Solution

    |

  5. Find the ratio of the mass needed to generate 1 muCi of ""88^236Ra (t...

    Text Solution

    |

  6. The composition of the equilibrium mixture (Cl(2) 2Cl) , which is att...

    Text Solution

    |

  7. A 5.0 mL of solution of H(2)O(2) liberates 0.508 g of iodine from acid...

    Text Solution

    |

  8. A 20 mL mixture of CO, CH4, and Helium (He) gases is exploded by an el...

    Text Solution

    |

  9. What is the pH of a 0.50M aqueous NaCN solution ? (pK(b)of CN^(-)=4.70...

    Text Solution

    |

  10. A unit of cell of sodium chloride has four formula units. The edge len...

    Text Solution

    |

  11. Electrolysis of a solution of MnSO(4) in aqueous sulphuric acid is a ...

    Text Solution

    |

  12. How many equivalents are there in 98 g of H2SO4 in the following reac...

    Text Solution

    |

  13. What is the molarity of 4N H2SO4 in the following reaction? 8H^(...

    Text Solution

    |

  14. An aqueous solution contains 10% amonia by mass and has a density of 0...

    Text Solution

    |

  15. 0.15 mole of pyridinium chloride has been added into 500 cm^(3) of 0.2...

    Text Solution

    |

  16. Calculate the amount of ice that will separate out on cooling a soluti...

    Text Solution

    |

  17. Calculate the equilibrium constant for the reaction : Fe^(2+)+Ce^(4+)h...

    Text Solution

    |

  18. Chromium metal crystallizes with a body-centred cubic lattice. The len...

    Text Solution

    |

  19. Anhydrous AlCl(3) is covalent. From the date given below, predict whet...

    Text Solution

    |

  20. Write a balanced equation for the reaction of N^(14) with alpha- parti...

    Text Solution

    |