Home
Class 12
CHEMISTRY
The Arrhenius equation for two first ord...

The Arrhenius equation for two first order equation `AtoB and CtoD` is given by
`k_1=10^(12)" "e^(-81.28(kJ)//(RT))`
`k_(2) = 10^(11)" "e^(-43.10(KJ) RT`
At what temperature `k_(1)` becomes equal to `k_(2)`. The unit of activation energy is `"kJ"//"mol"`
`"Use" : In 10 = 2.3 "and"R=8.3 J//K//"mol"`

Text Solution

Verified by Experts

The correct Answer is:
2000
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise match the column type|13 Videos

  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos

  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

For the two gaseous reactions, following data are given A rarr B, k_(1) =10^(10) e^(-20,000//T), C rarr D, k_(2) =10^(12) e^(-24,606//T) the temperature at which k_(1) becomes equal to k_(2) is :

A reaction rate constant is given by k = 1.2 xx 10^(14) e^((-2500)/(RT))s^(-1) . It means

At what temperature rate becomes double than at 300 K ? Given lnk =10 - (69(KJ))/(RT)

A reaction rate constant is given by : K= 1.2 xx10^(14)e^((-25000)/(RT)) sec^(-1) . It means :

The Arrehenius equation for the rate constant of decompoistion of methyl nitrite and ethyl nitrite are k_(1) (s^(-1)) =10^(13) exp ((-152300 J mol^(-1))/(RT)) and k_(2)(s^(-1)) = 10^(14)exp((-157700 J mol^(-1))/(RT)) respectively. Find the temperature at which the rate constant are equal.

The substance undergoes first order decomposition.The decomposition follows two parallel first order reactons as : K_1=10^(-2) sec^(-1) and K_2=10^(-2)sec^(-1) If the corresponding activation energies of parallel reaction are 100 and 120 kJ "mol"^(-1) then the net activation energy of A is/are:

GRB PUBLICATION-CHEMICAL KINETICS-Subjective Type
  1. Calculate the specific activity of a radioactive substance .(98)^(250)...

    Text Solution

    |

  2. Displacement of the hydroxy1 group of alcohol can take place with var...

    Text Solution

    |

  3. The Arrhenius equation for two first order equation AtoB and CtoD is g...

    Text Solution

    |

  4. An isotope of potassium K(40) undergoes two parallel types of decy, on...

    Text Solution

    |

  5. Decomposition of non-volatile solute 'A' into another non-volatile sol...

    Text Solution

    |

  6. A gaseous substance A undergoes first order dissociation to give B ,C ...

    Text Solution

    |

  7. A first order reaction occurs 40% in 120 min at 25^(@)C and in 15 min...

    Text Solution

    |

  8. For a first order polymerisation reaction: nA(g) to A(n) (g) occur...

    Text Solution

    |

  9. Calculate specific activity of a radioactive nucleus having average li...

    Text Solution

    |

  10. H(2)O(2) decomposes in an aqueous solution to give H(2)O and oxygen ga...

    Text Solution

    |

  11. The total nubmer of alpha "and" beta particles emitted in the nuclear ...

    Text Solution

    |

  12. The Arrhenius equation for two first order equation A to B "and" C t...

    Text Solution

    |

  13. For the first order decomposition reaction: 2N(2)O(5) (g) to 4NO(2) ...

    Text Solution

    |

  14. For a gaseous reaction, 2A(g) + B(g) to C(g) , DeltaH =- 30 "Kcal"//...

    Text Solution

    |

  15. 5 milli-moles of a solid A was dissolved in 5 moles of H(2)O. On addin...

    Text Solution

    |

  16. For the first order reaction :A(g) to 2B(g) + C(g) the half life for t...

    Text Solution

    |

  17. For a third order reaction the ratio of t(1//3) "and"t(2//3) is T [t(1...

    Text Solution

    |

  18. For the sequential reaction: A.overset(k(1)=0.2"min"^(-1))(to)Bovers...

    Text Solution

    |

  19. A first order reaction, 3A (g) to 2B(g) + 3C (g) Starting with pu...

    Text Solution

    |

  20. The number of neutrons emitted when .(92)^(235) U undergoes controlled...

    Text Solution

    |