Home
Class 12
CHEMISTRY
Give reason why a finely divided substan...

Give reason why a finely divided substance is more effective as an adsorbent.

Text Solution

Verified by Experts

Greater the surface area , greater is the adsorption . Since powdered substances have greater area, they are more effective adsorbents than their crystalline forms.
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    CHHAYA PUBLICATION|Exercise Higher Order Thinking Skill (HOTS) Questions|16 Videos

  • SURFACE CHEMISTRY

    CHHAYA PUBLICATION|Exercise Extrance Question Bank|29 Videos

  • SURFACE CHEMISTRY

    CHHAYA PUBLICATION|Exercise Solved CBSE Scanner|32 Videos

  • SOME p-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTIVE SET 11|15 Videos

Similar Questions

Explore conceptually related problems

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

Colloidal medicines are more effective because

Borazine is more reactive than benzene-why?

Why are powdered substances more effective adsorbents than their crystalline forms ?

Give one example of peizoelectric substance.

Why are crystalline substances anisotropic?

Why do some medicines more effective in colloidal form ?

Why do the cells divide?

Why are ethers highly inflammable substances ?

CHHAYA PUBLICATION-SURFACE CHEMISTRY-Solved NECRT TEXTBOOK PROBLEMS
  1. Distinguish between the meaning of the terms adsorption and absorption...

    Text Solution

    |

  2. Write two differeneces between physisorption and chemisorption.

    Text Solution

    |

  3. Give reason why a finely divided substance is more effective as an ads...

    Text Solution

    |

  4. What are the factors which influence the adsorption of a gas on a soli...

    Text Solution

    |

  5. What is an adsorption isotherm? Freundlich adsorption isotherm.

    Text Solution

    |

  6. How are the colloidal solutions classified on the basis of physical st...

    Text Solution

    |

  7. Discuss the effect of pressure and temperature on the adsorption of ga...

    Text Solution

    |

  8. What are lyophilic and lyophobic sols? Give one example of each type. ...

    Text Solution

    |

  9. What is the difference between multimolecular and macromolecular collo...

    Text Solution

    |

  10. What are enzymes ? Write in brief the mechanism of enzyme catalysis.

    Text Solution

    |

  11. How are colloids classffied on the basis of physical states of compone...

    Text Solution

    |

  12. How are colloids classffied on the basis of nature of dispersion mediu...

    Text Solution

    |

  13. How are colloids classffied on the basis of interaction between disper...

    Text Solution

    |

  14. Explain what is observed when a beam of light is passed through a coll...

    Text Solution

    |

  15. Explain what is observed when an electrolyte NaCl is added to hydrated...

    Text Solution

    |

  16. Explain what is observed when electric current is passed through a col...

    Text Solution

    |

  17. What is de-emulsification? Name two de-emulsifiers.

    Text Solution

    |

  18. Action of soap is due to emulsification and micelle formation. Comment

    Text Solution

    |

  19. Give four examples of heterogeneous catalysis.

    Text Solution

    |

  20. What do you mean by activity & selectivity of catalysts?

    Text Solution

    |