Home
Class 12
CHEMISTRY
Which reaction characteristics are chang...

Which reaction characteristics are changing by the addition of a catalyst to a reaction at constant teinperature?
(i) Activation energy
(ii) Equilibrium constant
(iii) Reaction entropy
(iv) Reaction enthalpy

A

Only (i)

B

Only (iii)

C

Only (i) and (ii)

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
A
Catalyst speeds up the chemical reaction by lowering down the activation energy.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|25 Videos

  • CHEMICAL KINETICS

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|22 Videos

  • CHEMICAL KINETICS

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|22 Videos

  • BIOMOLECULES

    MTG GUIDE|Exercise AIPMT/NEET (MCQS)|19 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    MTG GUIDE|Exercise AIPMT/NEET |9 Videos

Similar Questions

Explore conceptually related problems

which of the following reaction characteristics at constant temperature are changing by addition of a catalyst to a reaction (i) Activation energy (ii) Equilibrium constant (iii) Reaction entropy (iv) Reaction enthalpy

Which of the following reaction characteristics change on addition of a catalyst to a reaction at constant temperature ? (i) Activation energy ltbr. (ii) Equilibrium constant (iii ) Gibbs enregy change (iv ) enthylpy change of reaction

Equilibrium constant of a reaction is elated to :

Which of the following reaction parameters will change due to addition of a catalyst ?

Change in the enthalpy of a reaction at constant pressure is given by

The equilibrium constant of the following reaction is

Introduction to Active mass| Equilibrium constant| Reaction coefficient

MTG GUIDE-CHEMICAL KINETICS-TOPICWISE PRACTICE QUESTIONS
  1. A catalyst lowers the activation energy of the forward reaction by 10 ...

    Text Solution

    |

  2. The activation energy in a chemical reaction is defined as

    Text Solution

    |

  3. The minimum energy necessary to permit a reaction is

    Text Solution

    |

  4. The activation energy necessary for a reaction, may be lowered by

    Text Solution

    |

  5. What happens when the temperature of a solution is increased from 25^@...

    Text Solution

    |

  6. The rate of reaction can be increased in general by all the factors ex...

    Text Solution

    |

  7. Effect of temperature on reaction rate is given by

    Text Solution

    |

  8. For an endothermic reaction, where AH represents the enthalpy of the r...

    Text Solution

    |

  9. On increasing the temperature by 10 K the rate of reaction becomes dou...

    Text Solution

    |

  10. The potential energy diagram for the reaction R rarrP is given bel...

    Text Solution

    |

  11. What is the energy of activation of a reaction if its rate doubles whe...

    Text Solution

    |

  12. The activation energy of a reaction can be determined by

    Text Solution

    |

  13. Consider an endothermic reaction x rarr y with the activation energy E...

    Text Solution

    |

  14. Which reaction characteristics are changing by the addition of a catal...

    Text Solution

    |

  15. At a given temperature, the energy of activation of two reactions is s...

    Text Solution

    |

  16. The rate constant is given by the equation, k=P.Ze^(-Ea//RT) Which fac...

    Text Solution

    |

  17. Number of molecules must overcome an energy barrier is given by the ex...

    Text Solution

    |

  18. According to collision theory of reaction rates

    Text Solution

    |

  19. Collision theory is applicable to

    Text Solution

    |

  20. For effective collisions, colliding molecules must have

    Text Solution

    |