Home
Class 12
CHEMISTRY
Why is adsorption always exothermic ?...

Why is adsorption always exothermic ?

Text Solution

Verified by Experts

Adsorption causes a decreases in the surfacce energy of the adsorbed, Therefore adsorption is always exothermic.
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Questions|31 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise OUTSIDE DELHI (SET-I)|35 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Set - 1 Comptt.|30 Videos

  • SAMPLE PAPER 2019

    XII BOARDS PREVIOUS YEAR|Exercise SECTION: D|1 Videos

Similar Questions

Explore conceptually related problems

Adsorption is aways exothermic.

Why adsorption is exothermic ?

Statement: A catalyst always lower the energy of ectivation. Explanation: The catalyst-reactant interaction forms activated adsorbed complex and adsorption is always exothermic.

The correct statements pertaining to the adsorption of a gas on a solid surface are (i) Adsorption is always exothermic (ii) Physisorption may transform into chemisorption at high temperature (iii) Physisorption increases with increasing temperature but chemisorotion decrease with increasing temperature (iv) Chemisorption is more exothermic than physisoption, however, it is very slow due to higher energy of activation

Adsorption is always

Select the set having correct statements pertaining to the adsorption of a gas on a solid surface (1) physisortion may transform into chemisorption at high temperature (2) chemisorption is more exothermic than physisortion , however it is very slow due to higher energy of activation (3) Adsorption is always exothermic (4) Physiosorption increase with increasing temperature but chemisorption decreases with increasing temperature

Adsorption is always exothermic in nature , Do tor agree ?

Assertion :- The graphical representation of physical adsorption with temp is Reason :- This is weak adsorption & adsorption is exothermic process.

XII BOARDS PREVIOUS YEAR-XII BOARDS-General Instrucations
  1. Why is adsorption always exothermic ?

    Text Solution

    |

  2. Predict the major product formed when sodium ethoxide reacts with tert...

    Text Solution

    |

  3. An aromatic organic compound 'A' with formula C8H8O gives positive DNP...

    Text Solution

    |

  4. For the reaction AtoB, the rate of reaction becomes three times when t...

    Text Solution

    |

  5. Write the coordination isomer of [Cu(NH3)4][PtCl4].

    Text Solution

    |

  6. A current of 1.50 A was passed through an electrolytic cell containin...

    Text Solution

    |

  7. The conductivity of a 0.01 M solution of acetic acid at 298 k is 1.65...

    Text Solution

    |

  8. Draw the structure of the following : (i) XeF2 (ii) BrF5

    Text Solution

    |

  9. Which one of the following compounds is more reactive towards S(N)2 re...

    Text Solution

    |

  10. Identify the following : (i) Transition metal of 3d series that exhi...

    Text Solution

    |

  11. Why a mixture of carbon disulphide and acetone shows positive deviatio...

    Text Solution

    |

  12. Consider the following reaction : Cu(s)+2Ag^(+)(aq)to 2Ag(s) +Cu^(2+)(...

    Text Solution

    |

  13. Write the role of : (i) NaCn in the extraction of gold from its ore....

    Text Solution

    |

  14. (i) Complete the following equations : (a) 2MnO(4)^(-)+ 5SO(3)^(2-)+...

    Text Solution

    |

  15. Write the preparation of following : (i) KMnO4 from K2MnO4 (ii) Na...

    Text Solution

    |

  16. Do as directed : (i) Arrange the following compounds in the increasi...

    Text Solution

    |

  17. Give the formula of monomers involved in the formation of the followin...

    Text Solution

    |

  18. Write IUPAC name for each of the following complexes : (i) [Ni(NH3)6...

    Text Solution

    |

  19. (i) Complete the following reaction and suggest a suitable mechanism f...

    Text Solution

    |

  20. Explain the following : (i) Amino acids behave like salts rather tha...

    Text Solution

    |