1.

During the adsorption of a gas on the surface of a solid , which of the following is true ?

Answer»

`DELTA G lt 0 , Delta gt 0 , Delta S lt 0`
`Delta G gt 0 , DeltaH lt 0 , Delta S lt 0`
`Delta G lt 0 , Delta H lt 0 , Delta S lt 0`
`Delta G lt 0 , Delta H lt 0 , DeltaS gt 0`

SOLUTION :In an ADSORPTION process , which is spontaneous , `Delta S ` is negative , `Delta H` is negative (exothermic) acid `DeltaG` is ALSO negative.


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