8
Question
Which of the following gases will be most easily absorbed by the charcoal in the gas mask?
Which of the following gases will be most easily absorbed by the charcoal in the gas mask?
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Solution
The correct option is B SO2
Adsorption of gas by charcoal:
Finely divided activated charcoal tends to adsorb several gases like ammonia, sulphur dioxide, chlorine, phosgene, etc. In this case, charcoal acts as an adsorbent while gas molecules act as the adsorbate.Activated powdered charcoal used in the gas mask which is exposed to the atmospheric air so that gases and water vapours in the air are adsorbed on its surface.
In general, easily liquifable gases such as CO2,NH3,Cl2, and SO2 are adsorbed to a greater extent than the elemental gaseslike H2,N2,O2,He etc.
Hence, the correct option is B
Adsorption of gas by charcoal:
Finely divided activated charcoal tends to adsorb several gases like ammonia, sulphur dioxide, chlorine, phosgene, etc. In this case, charcoal acts as an adsorbent while gas molecules act as the adsorbate.
In general, easily liquifable gases such as CO2,NH3,Cl2, and SO2 are adsorbed to a greater extent than the elemental gaseslike H2,N2,O2,He etc.
Hence, the correct option is B
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