Home
Class 12
CHEMISTRY
The activation energy for the forward re...

The activation energy for the forward reaction in case of exothermic reaction :

A

less than backward reaction

B

more than backward reaction

C

same for both

D

uncountable

Text Solution

Verified by Experts

The correct Answer is:
A
Hint: For forward reaction, `DeltaH=-ve`.
It is possible if `E_a` (forward) – `E_a` (backward)
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    ACCURATE PUBLICATION|Exercise 1 MARK QUESTIONS|24 Videos

  • CHEMICAL KINETICS

    ACCURATE PUBLICATION|Exercise 2 MARK QUESTIONS|9 Videos

  • BOARD PAPER MARCH - 2020

    ACCURATE PUBLICATION|Exercise SECTION - D|18 Videos

  • COORDINATION COMPOUNDS

    ACCURATE PUBLICATION|Exercise 2 MARKS QUESTIONS|23 Videos

Similar Questions

Explore conceptually related problems

The activation energy for the reaction if k = A is

What is exothermic reaction?

For an endothermic reaction, activation energy for the forward reaction is more/less than activation energy for the backward reaction.

True or False : Higher the activation energy of a reaction, faster is the reaction.

The activation energies of the forward and backward reactions in the case of a chemical reaction are 30.5 and 45.5 KJ/mol , respectively . The reaction is:

The activation energy of reaction is equal to

The activation energy of a reaction can be determined by

Define activation energy of a reaction.

When the activation energies of the forward and backward reactions are equal, then :

ACCURATE PUBLICATION-CHEMICAL KINETICS-TOPIC : CHEMICAL KINETIC
  1. The activation energy for the forward reaction in case of exothermic r...

    Text Solution

    |

  2. A first order reaction is 20% complete in the 10 minutes. Calculate th...

    Text Solution

    |

  3. A first order reaction is 15% complete in 20 minutes. How long will it...

    Text Solution

    |

  4. A first order reaction is 40%. Complete in 50 minute. How long will it...

    Text Solution

    |

  5. The rate constant for the first order reactior becomes three times whe...

    Text Solution

    |

  6. The rate constant for First order reaction become double when temperat...

    Text Solution

    |

  7. The rate constant for a first order reaction becomes six times when th...

    Text Solution

    |

  8. For the reaction : N (2) + 3H(2) to 2 NH (3) The rate of reaction meas...

    Text Solution

    |

  9. The decomposition of hydrogen peroxide in the presence of iodide ion h...

    Text Solution

    |

  10. For the reaction : 2N2O5 rarr 4NO2+O2 the rate of reaction mea...

    Text Solution

    |

  11. The decomposition of N2 O5 in carbon tetrachloride solution has been ...

    Text Solution

    |

  12. For Reaction : 3H2 + N2 + 2 NH3. Find rate of H2 If rate of reaction i...

    Text Solution

    |

  13. Give the unit of third order rate constant.

    Text Solution

    |

  14. Unit of rate constant for zero order reaction is

    Text Solution

    |

  15. The rate of constant of reaction at 300 K//320 K are 5 xx 10^(-4) s^(-...

    Text Solution

    |

  16. Write the general reaction rate constant for nth order. (mol L^(-1))^(...

    Text Solution

    |

  17. The rate constants of a reaction at 500K and 700K are 0.02s^(-1) and 0...

    Text Solution

    |

  18. The units of rate constant for first order equation.

    Text Solution

    |

  19. The rate constants of a reaction at 300 and 320 K are 0.0231 s^-1 and ...

    Text Solution

    |

  20. For a chemical reaction X rarr Y, the rate. increases by a factor 2.25...

    Text Solution

    |

  21. The rate of a reaction 2A+B rarr A2B. has rate law : rate = k [A]^2...

    Text Solution

    |