1.

Which of the following is true for spontaneous adsorption of H_2 gas without dissociation on solid surface

Answer»

PROCESS is EXOTHERMIC and `DELTAS lt 0`
Process is endothermic and `DeltaS GT 0`
Process is exothermic and `DeltaS gt 0`
Process is endothermic and `DeltaS lt 0`

Answer :A


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