Question

Which of the following gases will be most easily adsorbed by the charcoal in the gas mask?

• A. $H_2$
• B. $O_2$
• C. $N_2$
• D. $S{O}_2$

Answer 1

The correct option is D $S{O}_2$

A gas which is easy to liquify, is most readily adsorbed. Thus, out of the given four choices $S{O}_2$ will be most readily adsorbed.

Always remember these statements:

1. Lighter the molecular weight faster the diffusion.
2. Heavier the molecular weight faster the liquefaction.