मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

In physisorption adsorbent does not show specificity for any particular gas because ______. - Chemistry

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प्रश्न

In physisorption adsorbent does not show specificity for any particular gas because ______.

पर्याय

  • involved van der Waals forces are universal.

  • gases involved behave like ideal gases.

  • enthalpy of adsorption is low.

  • it is a reversible process.

MCQ
रिकाम्या जागा भरा
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उत्तर

In physisorption adsorbent does not show specificity for any particular gas because involved van der Waals forces are universal.

Explanation:

Physisorption is not specific to any gas since it involves van der Waals forces and no specific bonds are formed.

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पाठ 5: Surface Chemistry - Exercises [पृष्ठ ६४]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 5 Surface Chemistry
Exercises | Q I. 10. | पृष्ठ ६४

संबंधित प्रश्‍न

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Answer in one sentence:

Name type of adsorption in which the compound is formed.


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Powdered substances are more effective adsorbents than their crystalline forms because ____________.


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Extent of physisorption of a gas increases with ______.


Which of the following is not a favourable condition for physical adsorption?


Physical adsorption of a gaseous species may change to chemical adsorption with ______.


In which of the following reactions heterogenous catalysis is involved?

(a) \[\ce{2SO2 (g) + O2 (g) ->[NO(g)] 2SO3 (g)}\]

(b) \[\ce{2SO2 (g) ->[Pt(s)] 2SO3 (g)}\]

(c) \[\ce{N2 (g) + 3H2 (g) ->[Fe(s)] 2NH3 (g)}\]

(d) \[\ce{CH3COOCH3 (l) + H2O (l) ->[HCI(l)] CH3COOH (aq) + CH3OH (aq)}\]


What is the role of activated charcoal in gas mask used in coal mines?


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Chromatography is based on:-


Assertion A : Activated charcoal adsorbs SO2 more efficiently than CH4.

Reason R : Gases with lower critical temperatures are readily adsorbed by activated charcoal.
In light of the above statements, choose the correct answer from the options given below.


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