1.

The correct ascending order of adsorption of the following gases on the same mass of charcoal at the same temperature and pressure is

Answer»

`CH_(4)lt H_(2)SO_(2)`
`H_(2)lt CH_(4)lt SO_(2)`
`SO_(2)lt CH_(4)lt H_(2)`
`H_(2)lt SO_(2)lt CH_(4)`

SOLUTION :More easily a gas is liquefiable, higher is its cirtical TEMPERATURE and greater is its adsorption. Critical temepratures in K are
`{:(H_(2)lt " "CH_(4)lt " "SO_(2)), (33.2 " "190.6 ""430.3):}`
or ease of liquefaction is `H_(2)lt CH_(4) lt SO_(2).`
Hence, ascending ORDER of adsorption is `H_(2) lt CH_(4)lt SO_(2).`


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