What kind of difference is observed in the amount of adsorption with the increase in temperature?

Which of the following statements is $NOT$ applicable to chemisorption?

The Freundlich adsorption isotherm is given by:

Which of the following processes has a negative $\Delta S$ (change in entropy)?

The curve that best describes the adsorption of a gas $(x \, g)$ on $1.0 \, g$ of a solid substrate as a function of pressure $(p)$ at a fixed temperature is

In an adsorption experiment, a graph between $\log (x/m)$ vs $\log P$ was found to be linear with a slope of $45^{\circ}$. The intercept on the $\log (x/m)$ axis was found to be $0.3$. The amount of the gas adsorbed per gram of charcoal under a pressure of $1 \ atm$ is: