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Powdered substances are more effective adsorbents than their crystalline forms because
  • a)
    Surface area increases
  • b)
    Temperature increases
  • c)
    Pressure increases
  • d)
    All of the above
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Powdered substances are more effective adsorbents than their crystalli...
Greater the surface area, greater will be the area available for adsorption.
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Powdered substances are more effective adsorbents than their crystalli...
Why are powdered substances more effective adsorbents than their crystalline forms?

Surface Area Increase:

- Powdered substances have a larger surface area compared to their crystalline forms.
- The increased surface area allows for more adsorption sites for the adsorbate molecules to attach to.
- This means that more adsorbate molecules can be adsorbed onto the surface of the powdered substance, making it a more effective adsorbent.

Temperature Increase and Pressure Increase:

- While temperature and pressure can affect the adsorption process, they are not the main reasons why powdered substances are more effective adsorbents than their crystalline forms.
- However, it should be noted that increasing the temperature or pressure can increase the rate of adsorption, but it does not necessarily make the adsorbent more effective.

Overall, the main reason why powdered substances are more effective adsorbents than their crystalline forms is due to their larger surface area, which allows for more adsorption sites for the adsorbate molecules to attach to.
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Community Answer
Powdered substances are more effective adsorbents than their crystalli...
Powdered substances are more effective absorbents than thier crystalline form due to increase in surface area in the powdery form and we know that physisorption is directly proportional to the surface area of absorbent.
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Powdered substances are more effective adsorbents than their crystalline forms becausea)Surface area increasesb)Temperature increasesc)Pressure increasesd)All of the aboveCorrect answer is option 'A'. Can you explain this answer?
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