Home
Class 12
CHEMISTRY
At a particular temperature , a certain ...

At a particular temperature , a certain reaction is separately carried out in the presence as well as in the absence of a catalyst . Which one of the following quantities will have different values under these two conditions -

A

reaction enthalpy

B

equilibrium constant

C

rate constant

D

gibbs free energy

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT (More Than One Correct Type )|18 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT ANSWER -TYPE QUESTIONS)|19 Videos
  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Long Answer Type)|4 Videos
  • BIOMOLECULES

    CHHAYA PUBLICATION|Exercise Practic Set 29|1 Videos
  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Practice Set 6|15 Videos

Similar Questions

Explore conceptually related problems

If a reaction is carried out separately I absence and presence of a catalyst-

In which of the following pairs the two physical quantities have different dimensions?

Which of the following are correct for different gases under the same condition of pressure and temperature-

At a given temperature, when a reversible reaction is carried out in absence of catalyst, the ratio of the rate constants for the forward and reverse reactions is found to be 8.0. At the same temperature, if the reaction is carried out in presence of catalyst, then the ratio will be

At a given temperature , for a reaction , the activation energy in absence of catalyst is greater than that in presence of catalyst be an amount of RT. If the value of the rate constant in presence of catalyst is x times that in absence of catalyst, then find the value of x.

A reaction is separately carried out in absence and presnce of a catalyst . If the activation energies in presnce and absence of catalyst are E_(a) and E'_(a) respectively and the reaction-enthalpies are DeltaH' respectively , then-

A hydrogenation reaction is carried out at 500K.If the same reaction is carried out in the presence of a catalyst at the same rate temperature required is 400K. Calculate the activation energy of the reaction if the catalyst lowers the activation barrier by 20"kJ.mol"^(-1)

Change in enthalpy remains the same whether a reaction is carried out in one step or in several steps under the similar reaction conditions explain the rearms.

CHHAYA PUBLICATION-CHEMICAL KINETICS-MCQ HOTSPOT (Single Correct Type )
  1. The rate of formation of NO(2)(g) at a particular instance is 4xx10^(...

    Text Solution

    |

  2. 2A(g)+B(g)rarrC(g) is a gaseous elementary reaction , the rate of whi...

    Text Solution

    |

  3. At a particular temperature , a certain reaction is separately carried...

    Text Solution

    |

  4. The rate of the reaction , A(3)Brarr(3)/(2)A(2) +(1)/(2) B(2), " is "...

    Text Solution

    |

  5. The reaction -rate of the reaction AB(3)rarr(1)/(2)A(2)+(3)/(2)B2 ca...

    Text Solution

    |

  6. 2A(g)+B(g)rarr Product. At a particular temperature, the reaction -rat...

    Text Solution

    |

  7. The initial concentration of A in the reaction A rarrB is 0.01 (M) . ...

    Text Solution

    |

  8. For a given reaction ArarrB , then time required for 75% disappearance...

    Text Solution

    |

  9. In a zero -order reaction , initial concentration of the reactant is a...

    Text Solution

    |

  10. The experimentally determined rate law for the following reaction is ,...

    Text Solution

    |

  11. At a particular temperature , the rate constant of the reaction 2N(2)...

    Text Solution

    |

  12. If the unit of the rate constant of a reaction is dm^(3//2).mol^(-1/...

    Text Solution

    |

  13. In the reaction aA rarrbB , if the concentration of A is doubled , th...

    Text Solution

    |

  14. The rate constant of the reaction ArarrB is 6.932xx10^(-3)"min"^(-1)...

    Text Solution

    |

  15. A first order reaction takes t(1) and t(2)s for its 20% and 60% comp...

    Text Solution

    |

  16. In acidic medium hydrolysis of dilute aqueous solution of sucrose is -

    Text Solution

    |

  17. Which one of the following statement is correct -

    Text Solution

    |

  18. The reaction ArarrB is a first order reaction . If 1 h time is requir...

    Text Solution

    |

  19. Probable reaction mechanism of the reaction 2O(3)(g)rarr3O(2)(g) " is...

    Text Solution

    |

  20. 2A(g)rarr2B(g)+3C(g) is a first order reaction . When the reaction s...

    Text Solution

    |