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Question: Answered & Verified by Expert
According to Freundlich adsorption isotherm, which of the following is correct ?
ChemistrySurface ChemistryJEE MainJEE Main 2012 (Offline)
Options:
  • A
    $\frac{x}{m} \propto P^0$
  • B
    $\frac{x}{m} \propto p^1$
  • C
    $\frac{x}{m} \propto p^{1 / n}$
  • D
    All the above are correct for different ranges of pressure
Solution:
2091 Upvotes Verified Answer
The correct answer is:
All the above are correct for different ranges of pressure
$\frac{\mathrm{x}}{\mathrm{m}} \propto \mathrm{P}^0$ is true at extremely high pressures
$\frac{x}{m} \propto p^1 ; \frac{x}{m} \propto p^{1 / n}$ are true at low and moderate pressures.

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