Home
Class 12
CHEMISTRY
For a simple reaction A to B it is obser...

For a simple reaction `A to B` it is observed that % of activated molecules at a temperature of 400 K is equal % `100/(e^(10)) %`. Activation energy of the reaction is given by :

A

33.256 k J

B

3.3256 J

C

33.256 J

D

3.3256 kJ

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Mechanism of Reactions|45 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise compllcatio in first order reactions|17 Videos

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise E. Methods to Monitor the Progress of Reaction|43 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

The activation energy of reaction is equal to

If activation energy, E_(a) of the reaction is equal to RT then

The rate constant of a reaction increases by 5% when its temperature is raised from 27^@c to 28^@c. The activation energy of the reaction is

For the first order reaction A rarr B +C , carried out at 27^(@) C . If 3.8 xx 10^(-16)% of the reactant molecules exists in the activated state , the E_(a) (activation energy) of the reaction is:

A first order reaction is 50% complete in 25 minutes at 350 K. Calculate activation energy of the reaction.

GRB PUBLICATION-CHEMICAL KINETICS-F. Effect of Temperature and Catalyst
  1. Consider the following reactions at 300 K. A rarr B (uncatalysed rea...

    Text Solution

    |

  2. If it known that out every 5 collisions, 1 has appropriate orientation...

    Text Solution

    |

  3. For a simple reaction A to B it is observed that % of activated molecu...

    Text Solution

    |

  4. Identify the statement which is correct from the following

    Text Solution

    |

  5. The rate of a catalysed reaction at 27^(@)C is e^(2) times the rate of...

    Text Solution

    |

  6. The desorption of gas molecules from the adsorbent surface obeys Arrhe...

    Text Solution

    |

  7. Temperature coefficient of a reaction at 300 K is 2. Neglected variati...

    Text Solution

    |

  8. Reaction -1:A to C " " k(1)=10^(10) e^(-500//T) Reactions -2: BtoD...

    Text Solution

    |

  9. The role of catalyst is to change:

    Text Solution

    |

  10. A first order reaction is catalysed by a catalyst which decreases acti...

    Text Solution

    |

  11. For two reactions: R-I and R-II the rate constants at 300 K and 320 K ...

    Text Solution

    |

  12. For a first order reaction rate is given by , R=K[Reactant] where K=a....

    Text Solution

    |

  13. The energies of activation forward and revers reaction for A(2)+B(2)to...

    Text Solution

    |

  14. For an elementary reaction the variation of rate constant (k) with tem...

    Text Solution

    |

  15. If it known that 1 out of every 4 collisions has appropriate orientati...

    Text Solution

    |

  16. In the respect of the equation k=Ae^(-E(a)//RT) is chemical kinetics, ...

    Text Solution

    |

  17. The variation of rate constant with temperature forllow sthe equations...

    Text Solution

    |

  18. For a certain gaseous reactions a 10^(@)C rise of temp, from 25^(@)C t...

    Text Solution

    |

  19. Following are the values of E(a) and DeltaH for three reactions carrie...

    Text Solution

    |

  20. Milk turns sour at 40^(@)C three times faster than at 0^(@)C. Hence, E...

    Text Solution

    |