1.

Identify the gas which is readily adsorbed by activated charcoal:

Answer»

`N_(2)`
`SO_(2)`
`H_(2)`
`O_(2)`

SOLUTION :In general, more EASILY liquefiable gases (ie.higher critical temperatures) are readily adsorbed as van der Waal.s forces are stronger near the critical temperatures. Thus, 1 g of ACTIVATED charcoal adsorbs 380 ml of sulphur dioxide (critical temperature `157^(@)C`), 16 ml of methane (critical temperature -`83^(@)C`) and 4.5 ml of HYDROGEN (critical temperature - `240^(@)C`).


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