Home
Class 12
CHEMISTRY
Why does physisorption decrease with the...

Why does physisorption decrease with the increase of temperature

Text Solution

Verified by Experts

Physisorption is an exothermic process and is reversible Solid .+. Gas .rarrharpoons. Adsorption .+. Heat Pliysisorption -occurs at low temperature and increasing the temperature will decrease the adsorption in keeping with Le-Chatelier.s principle.
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    V PUBLICATION|Exercise QUESTION BANK|158 Videos

  • THE d- AND f- BLOCK ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|190 Videos

Similar Questions

Explore conceptually related problems

Why does physisorption decrease with increae of temperature ?

Rate of physisorption increase with

In which substances does resistance decreases with increase in temperature? (a)Ag (b)Na (c)C (d)Cu

Assertion :Threshold energy of a reaction is dependent of temperature. Reason :The energy of activation decreases with increase in temperature.

Statement 1: Ionic conductivities increase with increase of temperature and pressure. Statement 2: Viscosity of water decreases with increase of temperature and increases with the increases of pressure

The viscous force exists when there is a relative motion between the layers of the fluid. State true or false: "The viscosity of gases decreases with an increase in temperature."

Solubility of gases in liquids decreases with increase in temperature. Write expression of kp for the reaction: N_2O_4(g) harr 2NO_2(g)

V PUBLICATION-SURFACE CHEMISTRY-QUESTION BANK
  1. Write any two characteristics of chemisorption

    Text Solution

    |

  2. Why does physisorption decrease with the increase of temperature

    Text Solution

    |

  3. Why are powdered substances more effective adsorbents than their cryst...

    Text Solution

    |

  4. Whty is it necessary to remove CO when ammonia is obtained by Haber pr...

    Text Solution

    |

  5. Why is the ester hydrolysis slow at the beginning and becomes faster a...

    Text Solution

    |

  6. What is the role of desorption in the process of catalysis?

    Text Solution

    |

  7. What modification can you suggest for Hardy-Schulze law?

    Text Solution

    |

  8. Why is it essential to wash the precipitate with water before estimati...

    Text Solution

    |

  9. Distinguish between the meaning of the terms adsorption and absorption...

    Text Solution

    |

  10. What is the difference between physisorption and chemisorption?

    Text Solution

    |

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

    Text Solution

    |

  12. What are the factors which influence the adsorption of a gas on a sol...

    Text Solution

    |

  13. Freundlich adsorption isotherm is (x)/m = kp^((1)/n where n gt1. Anser...

    Text Solution

    |

  14. What do you understand by activation of adsorbent & How is it achiev...

    Text Solution

    |

  15. What role does adsorption play in heterogeneous catalysis?

    Text Solution

    |

  16. Why is adsorption always exothermic?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. What are the difference between multiimolecular and macromolecular c...

    Text Solution

    |