Home
Class 12
CHEMISTRY
Assertion (A) : The molecularity of the ...

Assertion (A) : The molecularity of the reaction
`H_(2) + Br_(2) rarr 2HBr` is `2`.
Reason (R ): The order of the reaction is `3//2`.

A

If both assertion and reason are correct explanation for assertion.

B

If both assertion and reason are correct but reason is not correct explanation for assertion.

C

If assertion is correct but reason is incorrect.

D

If both assertion and reason are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
B

c) Correct explanation: The molecularity of reaction is 2 because two reactant species are involved in the elementary reaction.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise INTEGER ANSWER TYPES QUESTIONS|12 Videos
  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Brain storming Multiple choice questions.|10 Videos
  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Stright objective types MCQs|24 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Unit Test - 1|20 Videos
  • CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS

    DINESH PUBLICATION|Exercise Exercise|507 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) : Molecularity of the reaction H_2 + Br_2 rarr 2HBr appears to be 2 Reason (R) : Two molecules of the reactants are involved in the given elementary reaction

Assertion (A) : The order of the reaction 2NO(g)+2H_(2)(g)rarr2H_(2)O(g)+N_(2)(g) is 3. Reason (R) : Order of reaction with respect to a given reactant the power of the reactant's concentration in the rate equation.

For the reaction H_(2) + Br_(2) rarr 2 HBr overall order is found to be 3//2 . The rate of reaction can be espressed as:

Assertion (A) : The order of the reaction, CH_(3)COOC_(2)H_(5) + H_(2)O hArr CH_(3)COOH + C_(2)H_(5)OH is 2 . Reason (R ): The molecularity of this reaction is 2 .

DINESH PUBLICATION-CHEMICAL KINETICS-Assertion type question,
  1. Assertion: Order and molecularity of a reaction are always equal. Re...

    Text Solution

    |

  2. Assertion: Order of a reaction can be fractional. Reason: Order of a...

    Text Solution

    |

  3. Assertion: In rate law, unlike in expression for equilibrium constants...

    Text Solution

    |

  4. Assertion (A): Hydrolyiss of ethyl acetate in the presence of acid is ...

    Text Solution

    |

  5. Assertion: The reaction 2NO+O(2) to 2NO(2) and 2CO + O(2) to CO(2) pro...

    Text Solution

    |

  6. Assertion (A) : If the activation energy of a reaction is zero, temper...

    Text Solution

    |

  7. Assertion: Rate of constant increases with the increase in temperature...

    Text Solution

    |

  8. Assertion (A) : In the reaction, N(2)+3H(2) rarr 2NH(3), the rate of r...

    Text Solution

    |

  9. Assertion (A) : The rate constant of a zero order reaction has same un...

    Text Solution

    |

  10. Assertion (A) : The molecularity of the reaction H(2) + Br(2) rarr 2...

    Text Solution

    |

  11. Assertion: A solution of sucrose in water is dextro-rotatory but upon ...

    Text Solution

    |

  12. Assertion: According to transition state theory for the formation of a...

    Text Solution

    |

  13. Assertion: In rate law, the exponents for concentration donot necessar...

    Text Solution

    |

  14. Assertion: The rate of a reaction is normally accelerated by the prese...

    Text Solution

    |

  15. Assertion (A): The rate of reaction increases generally by 2 to 3 time...

    Text Solution

    |

  16. Assertion (A) : The order of the reaction, CH(3)COOC(2)H(5) + H(2)O ...

    Text Solution

    |

  17. Assertion: Alkaline hydrolysis of ester is known as saponification. ...

    Text Solution

    |

  18. Assertion: Rate constant k is equal to Arrhenius parameter if it invol...

    Text Solution

    |

  19. Assertion: Rate of reaction doubles when the concentration of the reac...

    Text Solution

    |

  20. Assertion: Catalyst changes Gibbs free energy of a system. Reason: C...

    Text Solution

    |