1.

On the basis of data given below predict which of the following gases shows least adsorption on a definite amount of charcoal ?

Answer»

`CO_2`
`SO_2`
`CH_4`
`H_2`

SOLUTION :Higher the CRITICAL TEMPERATURE, stronger are the ATTRACTIVE forces and thus stronger is the adsorption. `H_2` DUE to its lowest critical temperature is least adsorbed.


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