Which of the following is false regarding adsorption?

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R.$
Assertion $A:$ $SO_{2(g)}$ is adsorbed to a larger extent than $H_{2(g)}$ on activated charcoal.
Reason $R:$ $SO_{2(g)}$ has a higher critical temperature than $H_{2(g)}.$
In the light of the above statements,choose the most appropriate answer from the options given below.

What is the role of activated charcoal in gas masks used in coal mines?

The adsorption of hydrogen by metals is called

Freshly prepared precipitate of $Fe(OH)_3$ is peptized by adding a solution of $FeCl_3$. The charge on the colloidal particles is due to the adsorption of ........

Plot of $\log \left( \frac{x}{m} \right)$ against $\log P$ is a straight line inclined at an angle of $45^{\circ}$. When the pressure is $0.5 \ atm$ and Freundlich parameter $(K)$ is $10$,then the amount of solute adsorbed per gram of adsorbent is .......... $g$ $(\log 5 = 0.699)$.