Home
Class 12
CHEMISTRY
For a first order reaction A rarrP, the ...

For a first order reaction A `rarr`P, the temperature (T) dependent rate constant (k) was found to follow the equation
log k=(2000)/T +6.0
The pre-exponential factor A and the activation energy `E_a`, respectively, are

A

`1.0xx10^6 s^-1` and 9.2 kJ `mol^-1`

B

`6.0 s^-1` and 16.6 kJ `mol^-1`

C

`1.0xx10^6 s^-1` and 16.6 kJ `mol^-1`

D

`1.0xx10^6 s^-1` and 38.3 kJ `mol^-1`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|54 Videos

Similar Questions

Explore conceptually related problems

For the reaction , A rarr P , the value of the rate constant (k) is found to vary with temperature according to the equation given below : logk=(2000)/(T)+0.6 If the pre-exponential factor and activation energy for the reaction are A and E_(a) , respectively, then -

The rate constant of a first order reaction follows the equation logk(s^(-1))=22.3-(12.16xx10^(3))/(T)K Find the activation energy of the reaction.

At what temperature (T) will the rate constant (k) and the frequency factor (A) of a reaction be the same?

A first order reaction is found to have a rate constant, k=5.5xx10^(-14)s^(-1) . Find the half-life of the reaction.

A first order reaction is found to have a rate constant, k= 5.5 xx 10^-14 s^-1 .Find the half-life of the reaction.

Write down the Arrhenius equation relating the rate constant of reaction with temperature , mentioning what the terms indicate. If k_(1) and k_(2) be the rate constant of a reaction at temperature t_(1)^(@)C and t_(2)^(@)C , respectively, find out the relation between k_(1) ,k_(2) and t_(1) and t_(2) . Given that the activation energy (E_(a)) of the reaction remains unchanged within the temperature range mentioned. The rate constant of a reaction at 400K and 500K are 0.02s^(-1) and 0.08s^(-1) respectively . Determine the activation energy (E_(a)) of the reaction.

The rate constant of a first order reaction follows the equation logk(s^(-1))=22.3-(12.16xx10^(3))/(T)K At what temperature will the half-life of the reaction be 115.5 min ?

Write down the Arrhenius equation relating the rate constant of a reaction with temp. If K_1 and K_2 be the rate constants of reaction at temperature t_1^@C and t_2^@C respectively, Find out the relation between K_1 , K_2 , t_1 and t_2 . Give that the activation energy (E_a) of the reaction remains unchnaged within the temp. range mentioned. The rate constants of a reaction at 400K and 500K are 0.02 S^-1 and 0.085 S^-1 respectively. Determine the activation energy (E_a) of the reaction.

The decomposition of a hydrocarbon follows the equation k= (4.5 xx 10^11s^-1)e^-28000K/T. Activation energy of the reaction is

2A(g)rarr2B(g)+3C(g) is a first order reaction . When the reaction started , the pressure of the system was P_(0) , and it was found to be P_(t) after time t . The rate constant of the reaction can be expressed by the equation -

PATHFINDER-CHEMICAL KINETICS-QUESTION BANK
  1. How will be the graph plotted between log k vs 1/T for calculating act...

    Text Solution

    |

  2. The activation energies of two reactions are Ea& E'a respectively, whe...

    Text Solution

    |

  3. For a first order reaction A rarrP, the temperature (T) dependent rate...

    Text Solution

    |

  4. In Group 15 (Nitrogen Family), find out non-metal, metalloid, metal.

    Text Solution

    |

  5. Which of the following statements is incorrect?

    Text Solution

    |

  6. If a reaction A+BrarrC is exothermic to the extent of 30 kJ/mol and th...

    Text Solution

    |

  7. Give the stability order of Black, Red, White Phosphorus.

    Text Solution

    |

  8. The rate constant k, of a second order reaction Ararr products is give...

    Text Solution

    |

  9. Initial concentration of reactant for nth order reaction is 'a' which ...

    Text Solution

    |

  10. The half-life of a reaction is halved as the initial concentration of ...

    Text Solution

    |

  11. From different sets of data of t(1/2) at different initial concentrati...

    Text Solution

    |

  12. Consider the reaction, Cl2(aq) + H2S(aq) rarr S(s) + 2H^+(aq) + 2Cl^...

    Text Solution

    |

  13. The burning of coal represented by the equation, C(s)+O2(g)rarrCO2(g)....

    Text Solution

    |

  14. If concentration of reactants is increased by 'x' ,then rate constant ...

    Text Solution

    |

  15. According to the Arrhenius equation,

    Text Solution

    |

  16. A closed vessel with rigid walls contains 1 mol of "(92)^(238)U and 1 ...

    Text Solution

    |

  17. In dilute aqueous H2SO4, the complex diaquodioxalatoferrate (II) is ox...

    Text Solution

    |

  18. Which of the following statement(s) is//are correct ?

    Text Solution

    |

  19. Which of the following are true for the first order reaction?

    Text Solution

    |

  20. Which of the following statements are correct about the reaction in pr...

    Text Solution

    |