A) \[\frac{x}{m}=\frac{a}{b}\]
B) \[\frac{x}{m}=ap\]
C) \[\frac{x}{m}=\frac{1}{ap}\]
D) \[\frac{x}{m}=\frac{b}{a}\]
Correct Answer: A
Solution :
Langmuir adsorption isotherm is represented as \[\frac{x}{m}=\frac{ap}{1+bp}\] Where, a and b are Langmuir parameters. If pressure p is very high then \[bp>>>\,\,1\], hence \[1+bp\approx bp\]. \[\therefore \] \[\frac{x}{m}=\frac{ap}{bp}=\frac{a}{b}=\]constant
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