Home
Class 12
CHEMISTRY
A+B rarr C, Delta H = +60 "kJ mol"^(-1)....

`A+B rarr C, Delta H = +60 "kJ mol"^(-1)`. `Ea_(f)=150 kJ`. What is the activation energy of the backward reaction ?

A

210 kJ

B

105 kJ

C

90 kJ

D

145 kJ

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS AND ANSWERS (FILL IN THE BLANKS)|29 Videos
  • CHEMICAL KINETICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS AND ANSWERS (ASSERTIO & REASON)|14 Videos
  • CHEMICAL KINETICS

    SURA PUBLICATION|Exercise EVALUATE YOURSELF|6 Videos
  • CARBONYL COMPOUND

    SURA PUBLICATION|Exercise UNIT TEST (LONG ANSWER)|1 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    SURA PUBLICATION|Exercise UNIT TEST (LONG ANSWER )|1 Videos

Similar Questions

Explore conceptually related problems

In a reversible reaction, the enthalpy change and the activation energy in the forward direction are respectively -"x kJ mol"^(-1) and "y kJ mol"^(-1) . Therefore, the energy of activation in the backward direction is

SURA PUBLICATION-CHEMICAL KINETICS -ADDITIONAL QUESTIONS AND ANSWERS (CHOOSE THE CORRECT ANSWER)
  1. The depletion of ozone involves the following steps : Step 1 : O(2)+...

    Text Solution

    |

  2. What would be the activation energy of a reaction when the temperature...

    Text Solution

    |

  3. A+B rarr C, Delta H = +60 "kJ mol"^(-1). Ea(f)=150 kJ. What is the act...

    Text Solution

    |

  4. The Unit of rate constant and rate of reaction are same for

    Text Solution

    |

  5. Which of the following does not affect the rate of reaction ?

    Text Solution

    |

  6. Which of the following statement is not correct ?

    Text Solution

    |

  7. Which order reaction obeys the expression t(1//2)prop (1)/([A]) ?

    Text Solution

    |

  8. For an exothermic chemical process occuring in 2 steps as (i) A+B ra...

    Text Solution

    |

  9. The graph between. The log K verrus (1)/(T) is a straight line. The sl...

    Text Solution

    |

  10. Nitric oxide (NO) reacts with oxygen to produce nitrogen dioxide 2NO...

    Text Solution

    |

  11. The addition of a catalyst during a chemical reaction alters which of ...

    Text Solution

    |

  12. A reaction having equal activation energies for forward and reverse re...

    Text Solution

    |

  13. The given reaction 2FeCl(3)+SnCl(2)rarr 2FeCl(2)+SnCl(4) is an exampl...

    Text Solution

    |

  14. Enzymes increase the rate of reactions.

    Text Solution

    |

  15. Activation energy of a chemical reaction can be determined by

    Text Solution

    |

  16. 2A rarr B+C. It would be a zero order reaction when.

    Text Solution

    |

  17. What will be the rate constant of a I order reaction, if its half life...

    Text Solution

    |

  18. How much time will be taken for 20 gm to reduce 5 g ? [R=2xx10^(-3)s^(...

    Text Solution

    |

  19. From the rate expression for the following reactions, determine their ...

    Text Solution

    |

  20. During decomposition of an activated complex

    Text Solution

    |