Home
Class 12
CHEMISTRY
The ezyme catalysed reaction is faster t...

The ezyme catalysed reaction is faster than a metal catalysed reaction because its activation energy is :

A

greater than that of metal catalysed reaction

B

same as that of metal catalysed reaction

C

less than thart of metal catalysed reaction

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level-III)|9 Videos
  • CHEMICAL KINETICS

    MODERN PUBLICATION|Exercise Recent Examination Questions|20 Videos
  • CHEMICAL KINETICS

    MODERN PUBLICATION|Exercise Multiple Choice Questions ( Effect of Temperature Catalyst and Radiation on Rate of Reaction )|13 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    MODERN PUBLICATION|Exercise Recent Examination Questions|17 Videos
  • CHEMISTRY IN EVERY DAY LIFE

    MODERN PUBLICATION|Exercise Recent Examination Questions|4 Videos

Similar Questions

Explore conceptually related problems

Fight or flight reaction cause activation of

What is the effect catalyst on Gibs energy and activation energy of a reaction?

Enzymes are biocatalysts. They catalyse biochemical reaction. In general they reduce activation energy of reactions. Many physico-chemical processes are enzyme mediated. Some examples of enzyme mediated reactions are given below. Tick the wrong entry

Draw a graph of potential energy v/s reaction co-ordinate showing the effect of a catalyst on activation energy.

In a thermite reaction, a compound of iron reacts with a metal : (i) Name the metal used in this reaction. (ii) After completion of this reaction, a metal is obtained in the molten state. Identify the metal. (iii) Represent this reaction in the form of a balanced chemical equation. (iv) Mention the most common use of this reaction.

Draw a graph of potential energy V/S reaction co - ordinates showing the effect of catalyst on activation energy (E_(a)) of a reaction.

[A] : The rate of an enzymic catalysed reaction is increased from 1 to 3 times for every 10^(@) rise in temperature . [R] : There is an optimum temperature for every enzyme beyond which there is no rise and may be denatured after more increases .

MODERN PUBLICATION-CHEMICAL KINETICS -Multiple Choice Questions (Level-II)
  1. In the reaction P rarr Q if the concentration of P is increased by fo...

    Text Solution

    |

  2. The rate law of a reaction is : Rate = k[A]^(2) [B] On doubling t...

    Text Solution

    |

  3. The ezyme catalysed reaction is faster than a metal catalysed reaction...

    Text Solution

    |

  4. In 1.2 year half of 160 mg of a radioactive isotope decays . The amoun...

    Text Solution

    |

  5. Starting with one mole of a compound X it is found that the reaction i...

    Text Solution

    |

  6. The rate of a first order reaction is 0.69xx10^(-2) min^(-1) and the i...

    Text Solution

    |

  7. The rate of a first order reaction is 1.8xx10^(-3) "mol L"^(-1) when t...

    Text Solution

    |

  8. The rate of a first order reaction has been found to be 2.45xx10^(-6) ...

    Text Solution

    |

  9. The half life period for the first order reaction XY(2) rarr X+Y(2) is...

    Text Solution

    |

  10. If the half life period for a reaction in A is 100 min . How long will...

    Text Solution

    |

  11. The experimental data for the reaction : 2NO(g) +CI(2) (g) rarr 2NOC...

    Text Solution

    |

  12. The rate of a first order reaction : R rarr P is 7.5xx10^(-4) molL...

    Text Solution

    |

  13. The decomposition of ozone proceeds as : O(3) rarr O(2) + O (fast) ...

    Text Solution

    |

  14. In a gaseous reaction 2P + Qrarr Products : Rate =k [P]^(2) [Q] T...

    Text Solution

    |

  15. A first order reaction is 25% complete in one hour . At the end of two...

    Text Solution

    |

  16. For a reaction : A rarr Products it is found that the rate of reaction...

    Text Solution

    |

  17. Two reactions proceed at 25^(@)C at the same rate . The temperature co...

    Text Solution

    |

  18. A gaseous reaction A(g) rarr 2B (g) +C(g) is found to be of first orde...

    Text Solution

    |

  19. The ratio of the time taken for 99.9% reaction and half life of the re...

    Text Solution

    |

  20. One litre of 2 M acetic acid is mixed with one litre of 2 M ethyl alco...

    Text Solution

    |