What is the equation form of Langmuir adsorption isotherm undre high pressure?

Options

A. `(x)/(m)=(a)/(b)`
B. `(x)/(m)=ap`
C. `(x)/(m)=(1)/(aP)`
D. `(x)/(m)=(b)/(a)`

Answer

A

Explanation

Langmuir adsorption isotherm may be given as:
`(x)/(m)=(aP)/(a+bP)`
At high pressure, `a+bP ~~ bP`
`therefore (x)/(m)=(aP)/(bP)`
`(x)/(m)=(a)/(b)`