Home
Class 12
CHEMISTRY
The enthalpy of physical adsorption is a...

The enthalpy of physical adsorption is about

A

zero

B

`20-50 kJ mol^(-1)`

C

`200-500 kJ mol^(-1)`

D

very high

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOCE QUESTIONS FROM COMPETITIVE EXAMINATIONS)|49 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (C. MULTIPLE CHOICE QUESTIONS WITH MORE THANONE CORRECT ANSWERS)|8 Videos

  • SURFACE CHEMISTRY

    MODERN PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS|10 Videos

  • SOLUTIONS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

What is physical adsorption.

Physical adsorption is appreciable at :-

Physical adsorption is accompained by

Which of the following statements about physical adsorption is correct ?

Which of the following statements about physical adsorption is not correct?

MODERN PUBLICATION-SURFACE CHEMISTRY-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (A. MULTIPLE CHOICE QUESTIONS WITH ONLY ONE CORRECT ANSWER)
  1. The volume of gases NH(3), CO(2) and CH(4) adsorbed by one gram of cha...

    Text Solution

    |

  2. Adsorption is accompanied by :

    Text Solution

    |

  3. The enthalpy of physical adsorption is about

    Text Solution

    |

  4. The colloidal system in which the disperse phase and dispersion medium...

    Text Solution

    |

  5. Freshly prepared precipitates can be easily dispersed by shaking it wi...

    Text Solution

    |

  6. The presence of electric charge on colloidal particles is indicated by...

    Text Solution

    |

  7. The process of separation of colloids by passing through semi permeabl...

    Text Solution

    |

  8. Size of colloidal particles is

    Text Solution

    |

  9. An example of micelle is:

    Text Solution

    |

  10. Effective electrolyte to cause the flocculation of a negatively charge...

    Text Solution

    |

  11. Colloidal particles exhibit Tyndall effect due to

    Text Solution

    |

  12. Which of the following is most effective in causing the coagulation of...

    Text Solution

    |

  13. Soaps essentially form a colloidal solution in water and remove the gr...

    Text Solution

    |

  14. Which of the following is an example of associated colloid ?

    Text Solution

    |

  15. Which type of property is the Brownian movement of colloidal sol?

    Text Solution

    |

  16. When KI is added to silver nitrate solution, the sol formed may be wri...

    Text Solution

    |

  17. Out of the following, which reaction gives rise to a colloidal sol:

    Text Solution

    |

  18. Blue colour of water in sea is due to

    Text Solution

    |

  19. Alum helps in purifying water by

    Text Solution

    |

  20. The coagulation power of an electrolyte for As(2) S(3) decreases in th...

    Text Solution

    |