Home
Class 12
CHEMISTRY
An endothermnic reaction A rarr B has an...

An endothermnic reaction `A rarr B` has an activation energy `15kJ//mol` and energy of reaction is `5kJ//mol`. What is the activation energy for backward reaction `B rarr A`. Draw the required graph to describe the above energies.

Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    R G PUBLICATION|Exercise EXERCISE|78 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    R G PUBLICATION|Exercise EXERCISE|57 Videos

Similar Questions

Explore conceptually related problems

Define activation energy of a reaction.

Higher the activation energy of a reaction slower is the rate of the reaction Explain.

In Arrhenius equation Can activation energy E for a reaction be zero?

State the role of activated complex in a reaction and state its relation with activation energy.

The reaction A + B rarr C has zero order. What is the rate equation?

For a reaction A rarr B the rate of reaction becomes twenty seven times when the concentration of A is increased three times. What is the order of reaction?

For an endothermic reaction, where DeltaH represents the enthalpy of the electro in kJ//mol the minimum value for the energy of activation will be-

The activation energy of a certain uncatalysed reaction at 300K is 76kJmol^(-1) . The activation energy is lowered to 57kJmol^(-1) by the use of a catalyst. By what factor is the rate of the catalysed reaction increased?

A certain reaction is 50% complete in 20 minutes at 300K and the same reaction is again 50% complete in 5 mins at 350K. Calculate the activation energy if the reaction is of first order.

A certain reaction is 50% complete in 20 minutes at 300K and the same reaction is again 50% complete in 5 minutes at 350K. Calculate the activation energy if the reaction is of first order.

R G PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. A zero order reaction is 50% complete in 10 mins. What percentage woul...

    Text Solution

    |

  2. Discuss the effect of temperature on reaction rate.

    Text Solution

    |

  3. An endothermnic reaction A rarr B has an activation energy 15kJ//mol a...

    Text Solution

    |

  4. The rate constant for the decomposition of hydrocarbons is 2.418xx10^(...

    Text Solution

    |

  5. The decomposition of hydrocarbon follows the equation k = (4.5xx10^11 ...

    Text Solution

    |

  6. What are the functions of catalyst in a reaction?

    Text Solution

    |

  7. Discuss the collision theory of reaction rate.

    Text Solution

    |

  8. The time required for 10% completion of a first order reaction at 298 ...

    Text Solution

    |

  9. The activation energy of a certain uncatalysed reaction at 300K is 76k...

    Text Solution

    |

  10. Rate constant K for a first order reaction has been found to be 2.54xx...

    Text Solution

    |

  11. A first order gas phase reaction A2B2(g) rarr 2A(g)+2B(g) at the tempe...

    Text Solution

    |

  12. In a first order reaction, the concentration of the reactant is reduce...

    Text Solution

    |

  13. The half life for the first order reaction is 5xx10^4 sec. What percen...

    Text Solution

    |

  14. In Arrhenius equation What does the term e^(-E//RT) signify?

    Text Solution

    |

  15. In Arrhenius equation Can activation energy E for a reaction be zero...

    Text Solution

    |

  16. The rate of formation of a dimer in a second order dimerisation reacti...

    Text Solution

    |

  17. The following reaction takes place in one step. 2NO(g)+O2(g) harr2NO...

    Text Solution

    |

  18. A certain reaction is 50% complete in 20 minutes at 300K and the same ...

    Text Solution

    |

  19. A substance with intitial concentration 'a' follows zero order kinetic...

    Text Solution

    |

  20. The gas phase decomposition of acetaldehyde, CH3CHO(g) rarr CH4(g)+CO(...

    Text Solution

    |