Which among following gases is readily adsorbed by activated charcoal ?
Which among following gases is readily adsorbed by activated charcoal ?
  1. H2
  2. SO2
  3. N2
  4. O2

Solution: SO2

SO2 is an easily liquefiable gas and easily liquefiable gases are adsorbed to a greater extent than elemental gases like N2, O2, and H2.