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Adsorption is the phenomenon in which a ...

Adsorption is the phenomenon in which a substance

A

accumulates on the surface of the other substance

B

goes into the body of the other substance

C

remains close to the other substance

D

None of the above .

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The correct Answer is:
A
Adsorption is the phenomenon in which a substance accumulates on the surface of the other substance.
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Adsorption is a process in which a substance accumulates on the ……………… of the other substance.

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. According to adsorption theory of catalysis, the speed of the reaction increases because

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. The effect of pressure on adsorption is high if:

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. Freunlich adsorption isotherm gives a straight line on plotting :

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. Whihc one of the followig is wrong about chemisorption ?

Adsorption is a surface phenomenon and it differs feom adsorption which occurs throughout the body of the substance which absorbs. In physisorption, the attractive forces are mainly van der Waals' forces while in chemisorption actual bonding occurs between the particles of adsorbent and adsorbente. Generally, easily liquefying gases are adsorbed more easily on the surface of a solid as compared to teh gases whihc are liquefied with difficult. Adsorption increases with the increases in pressure and decreases as the temperature is increases. The ease with which the gases H_(2),CH_(4),CO_(2)and NH_(3) are adsorbed on the surface of charcoal is :

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SURFACE CHEMISTRY-EXERCISE 2
  1. Adsorption is the phenomenon in which a substance

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  2. Extent of adsorption is

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  3. During adsorption , which of the following has negative value ?

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  4. The role of the activation charcoal in gas mask used coal mine is

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  5. Gas mask is prepared on the basis of adsorption because

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  6. Adsorption of gaseous moleculesof hydrogen on Pd is known as

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  7. Point out the correct statement .

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  8. Plot of log x/m against log p is a straight line inclined at an angle ...

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  9. Choose the incorrect statement .

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  10. Powdered substances are more effective adsorbents than their crystalli...

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  11. The linear plot for Freundich adsorption isotherm is

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  12. In general, H(2) gas is adsorbad on activated charcoal to a less exten...

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  13. For a positively charged sol , the flocculating power of KCl , MgCl(2)...

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  14. LANGMUIR ISOTHERM

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  15. Which of the following is the correct approximate value of ratio of si...

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  16. How will you test whether a given solution is a colloidal solutio...

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  17. Which of the following is incorrect about adsorption ?

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  18. In physisorption , adsorbent does not show specificity for any particu...

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  19. Adsorption is always exothermic in nature , Do you agree ?

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  20. A colloidal solution is subjected to an electrical field. The particle...

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  21. Identify the gas which is readily adsorbed by activated charcoal .

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