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The heat evolved in chemisorption lies i...

The heat evolved in chemisorption lies in the range (in kJ/mol) of :

A

80 to 240

B

20 to 40

C

40 to 80

D

20 to 100

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaH: 80` to `240 kJ mol^(-1)`
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DISHA PUBLICATION-SURFACE CHEMISTRY-Exercise-1 : Concept Builder (TOPICEWISE)
  1. Which of the following statement is not correct

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  2. The effect of pressure on adsorption is high if a. Temperature is lo...

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  3. The heat evolved in chemisorption lies in the range (in kJ/mol) of :

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  4. Blue colour of the sky is due to a. Adsorption of light by dust part...

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  5. Which among the following statements is false ?

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  6. In Langumir's model of adosrption of a gas on a solid surface :

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  7. How many layers are adsorbed in chemical adsorption?

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  8. Freundlich equation for adsorption of gases (in amount of Xg) on a sol...

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  9. Which of the following statements is incorret about physisorption?

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  10. The adsorption of gas on a solid surface varies with pressure of the g...

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  11. Adsorption is the tendency of accumulation of molecular species at the...

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  12. For adsorption of a gas on a solid, the plot of log (x//m) vs log P is...

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  13. Which is adsorbed in maximum amount by activated charcoal?

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  14. At high pressure, the entire surface gets covered by a monomolecular l...

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  15. Adsorption is accompanied by :

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  16. One gram of charcoal adsorbs 100 mL of 0.5 M CH(3)COOH to form a mono-...

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  17. one gram of activated carbon has a surface are of 1000m^(2). Consideri...

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  18. At 1 atm and 273 K the volume of nitrogen gas required to cover a samp...

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  19. A sample of 16 g charcoal was brought into contact with CH(4) gas cont...

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  20. What is shape - selective catalysis ?

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