Home
Class 12
CHEMISTRY
This question has Statement I and Statem...

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements
Statement-I : Fraction of total molecules having energy equal to or greater than activation energy =`k=Ae^((-E_a)/RT)`
Statement-II : Activation energy of a chemical reaction is always constant at a given temperature.

A

Statement-I is true, Statement-II is true, Statement II is a correct explanation of Statement -I

B

Statement-I is true, Statement-II is true, Statement-II is not a correct explanation of Statement-I.

C

Statement-I is true, Statement-II is false

D

Statement-I is false, Statement-II is true.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    PATHFINDER|Exercise QUESTION BANK|54 Videos

Similar Questions

Explore conceptually related problems

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I: A complex reaction has molecularity equal to the order of that reaction. Molecularity has no meaning for a complex reaction.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : If the activation energy of a reaction is zero, the rate constant becomes independent of the temperature. Statement-II : Lower the activation energy, faster is the reaction.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement I: The molecularity of the reaction H_2+Br_2rarr2 HBr is 2 Statement-II: The order of this reaction is 3/2.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : Activated complex is an intermediate. Statement-II: Activated complexes have high vibrational energy and they are highly unstable.

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement-I : There is no change in inernal energy for an ideal gas at constant temperature. Statement-II : Internal energy of an ideal gas is a function of temperature only.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : Every collision among reactant molecules is not responsible for the formation of products. Statement-II: An active molecule can give rise to the formation of products.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : The rate of the reaction is the rate of change of concentration of reactant or product. Statement-II: Rate of reaction remains constant during the course of reaction.

This question has Statement I and Statement II. Of four choices given after the Statements choose the one that best describes two statements Statement-I : in a multi-step reaction, the molecularity of overall reaction has no significance. Statement-II : Molecularity refers to the order of rate determining step.

PATHFINDER-CHEMICAL KINETICS-QUESTION BANK
  1. Which of the following is a peroxide?

    Text Solution

    |

  2. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  3. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  4. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  5. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  6. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  7. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  8. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  9. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  10. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  11. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  12. The action of nitrous acid on an aliphatic primary amine gives:

    Text Solution

    |

  13. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  14. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  15. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  16. The bleaching action of chlorine is due to:

    Text Solution

    |

  17. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  18. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  19. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |

  20. This question has Statement I and Statement II. Of four choices given ...

    Text Solution

    |