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According to Freundlich adsorption isotherm, which of the following is correct?
- a)xm ∝ p1
- b)xm ∝ p1/n
- c)xm ∝ p°
- d)All are correct of different ranges of pressure
Correct answer is option 'D'. Can you explain this answer?
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According to Freundlich adsorption isotherm, which of the following is...
- All are correct
- That is correct at low pressure,
- That is correct at moderate pressure and
- That is correct at high pressure (saturation pressure).
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According to Freundlich adsorption isotherm, which of the following is...
- All are correct
- That is correct at low pressure,
- That is correct at moderate pressure and
- That is correct at high pressure (saturation pressure).
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According to Freundlich adsorption isotherm, which of the following is...
Understanding Freundlich Adsorption Isotherm
The Freundlich adsorption isotherm describes how solutes adhere to surfaces, typically applied in heterogeneous systems. It highlights the relationship between the amount of solute adsorbed (xm) and its equilibrium concentration in the solution (p).
Key Relationships in Freundlich Isotherm
- Option A: xm ∝ p^1
- This relationship indicates a linear adsorption at high pressures, where the amount of solute adsorbed increases directly with pressure.
- Option B: xm ∝ p^(1/n)
- Here, 'n' is a constant greater than one, indicating that the adsorption process is non-linear. This relationship applies in moderate pressure ranges, where adsorption begins to slow down.
- Option C: xm ∝ p°
- This refers to the behavior at very low pressures where adsorption is almost constant and approaches a saturation point, indicating limited interaction between solute and adsorbent.
Why Option D is Correct
- Different Ranges of Pressure:
- The Freundlich isotherm is versatile and applicable across various pressure ranges. Each of the options represents valid relationships under specific conditions:
- Linear at high pressures (Option A).
- Non-linear at moderate pressures (Option B).
- Saturated at low pressures (Option C).
- Overall Conclusion:
- The correct answer is Option D because it acknowledges that all three relationships are valid within their respective pressure ranges, showcasing the complexity of adsorption processes as influenced by varying conditions.
Significance of the Freundlich Isotherm
- The Freundlich model is crucial in understanding adsorption phenomena in environmental chemistry, catalysis, and material science, providing insights into how different factors affect the adsorption capacity.
The Freundlich adsorption isotherm describes how solutes adhere to surfaces, typically applied in heterogeneous systems. It highlights the relationship between the amount of solute adsorbed (xm) and its equilibrium concentration in the solution (p).
Key Relationships in Freundlich Isotherm
- Option A: xm ∝ p^1
- This relationship indicates a linear adsorption at high pressures, where the amount of solute adsorbed increases directly with pressure.
- Option B: xm ∝ p^(1/n)
- Here, 'n' is a constant greater than one, indicating that the adsorption process is non-linear. This relationship applies in moderate pressure ranges, where adsorption begins to slow down.
- Option C: xm ∝ p°
- This refers to the behavior at very low pressures where adsorption is almost constant and approaches a saturation point, indicating limited interaction between solute and adsorbent.
Why Option D is Correct
- Different Ranges of Pressure:
- The Freundlich isotherm is versatile and applicable across various pressure ranges. Each of the options represents valid relationships under specific conditions:
- Linear at high pressures (Option A).
- Non-linear at moderate pressures (Option B).
- Saturated at low pressures (Option C).
- Overall Conclusion:
- The correct answer is Option D because it acknowledges that all three relationships are valid within their respective pressure ranges, showcasing the complexity of adsorption processes as influenced by varying conditions.
Significance of the Freundlich Isotherm
- The Freundlich model is crucial in understanding adsorption phenomena in environmental chemistry, catalysis, and material science, providing insights into how different factors affect the adsorption capacity.
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According to Freundlich adsorption isotherm, which of the following is correct?a)xm ∝ p1b)xm ∝ p1/nc)xm ∝ p°d)All are correct of different ranges of pressureCorrect answer is option 'D'. Can you explain this answer?
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