Question

According to the Freundlich adsoption isotherm, which of the following is correct?

• A. $\frac{x}{m}\propto p$
• B. $\frac{x}{m}\propto p^{\frac{1}{n}}$
• C. $\frac{x}{m}\propto p^{\circ }$
• D. All are correct for different ranges of pressure

Answer 1

The correct option is D All are correct for different ranges of pressure

All are correct,
(a) is correct at low pressures
(b) is correct at moderate pressures and
(c) is correct at high pressures (saturation pressure)