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Which one of the following is correct for the adsorption of a gas at a given temperature on a solid surface?
Option: 1 \Delta H> 0,\Delta S> 0
Option: 2 \Delta H< 0,\Delta S> 0
Option: 3 \Delta H> 0,\Delta S< 0
Option: 4 \Delta H< 0,\Delta S< 0

Answers (1)

best_answer

As we have learnt,

Adsorption proceeds with a release of energy due to formation of new intermolecular forces and proceeds with a decrease in the entropy of the system .

Thus, \mathrm{\Delta H< 0\, and\, \Delta S< 0}

Hence,the correct answer is option (4)

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sudhir.kumar

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