Home
Class 12
CHEMISTRY
A catalyst in the finely divided form is...

A catalyst in the finely divided form is most effective because :

A

Less surface area is available

B

More active centres are formed

C

More energy gets stored in the catalyst

D

None of the above

Text Solution

Verified by Experts

Catalyst in finely powdered state possesses larger surface area and more active centres and thus, becomes more effective.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|14 Videos

  • SURFACE CHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE MAIN ARCHIVE|25 Videos

  • SURFACE CHEMISTRY

    VMC MODULES ENGLISH|Exercise LEVEL-1|74 Videos

  • STRUCTURE OF ATOM

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-F|7 Videos

  • THE SOLID STATE

    VMC MODULES ENGLISH|Exercise EXERCISE-J|10 Videos

Similar Questions

Explore conceptually related problems

If a solid is finely divided:

Give reason why a finely divided substance is more effective as an adsorbents?

The most effective greenhouse gas is

Why is finely divided substance more effective as an adsorbent ?

a finely divided substance more effective as an adsorbent (T/F)

A finely divided state of the catalyst is more efficient because in this state :

among the alkali metals caesium is the most reactive because

Give reason for the following observations : (i) When Silver nitrate solution is added to Potassium iodide soltuion , a negatively charge colloidal solution is formed. (ii) Finely divided substance is more effective as an adsorbent. (iii) Lyophilic colloid are also called reversible sols.

Give reasons for the following . Finely divided iron catalyst does not affect the percentage yield of ammonia in Haber 's process.

Finely divided iron combines with CO to give

VMC MODULES ENGLISH-SURFACE CHEMISTRY-LEVEL-2
  1. Mark the correct statement about given graph:

    Text Solution

    |

  2. In homogeneous catalytic reactions, the rate of reaction:

    Text Solution

    |

  3. A catalyst in the finely divided form is most effective because :

    Text Solution

    |

  4. Cetyl tri methyl ammonium chloride is which type of detergent?

    Text Solution

    |

  5. Which of the following statements are correct ? 1.on the application...

    Text Solution

    |

  6. The flocculating power of the given ions for the specified colloidal s...

    Text Solution

    |

  7. The potential differnce between the fixed particles layer and the diff...

    Text Solution

    |

  8. The coagulation of 10 ml of colloidal solution of gold is completely p...

    Text Solution

    |

  9. 1 mol of [Agl]Ag^(+) sol is coagulated by

    Text Solution

    |

  10. The coagulation of 200 mL of a positive colloid took place when 0.73 g...

    Text Solution

    |

  11. A detergent C2H2 solution becomes a colloidal sol at a concentration ...

    Text Solution

    |

  12. one gram of activated carbon has a surface are of 1000m^(2). Consideri...

    Text Solution

    |

  13. AT STP the volume of nitrogen gas required to cover a sample of silica...

    Text Solution

    |

  14. 10 % sites of catalyst bed have adsorbed by H(2) on Heating H(2) gas i...

    Text Solution

    |

  15. A sample of 16 g charcoal was brought into contact with CH(4) gas cont...

    Text Solution

    |

  16. TEL minimizes the Knocking effect when mixed with petrol. It acts as :...

    Text Solution

    |

  17. Although, nitrogen does not adsorb on a surface at room temperature, i...

    Text Solution

    |

  18. Which of the following gas molecules have minimum value of enthalpy of...

    Text Solution

    |

  19. In Langumir's model of adosrption of a gas on a solid surface :

    Text Solution

    |

  20. Which of the followings is not correct about colloids?

    Text Solution

    |