A) \[\Delta G\]is negative but \[\Delta H\]and \[\Delta S\]are positive
B) \[\Delta G,\Delta H\]and \[\Delta S\]all are negative
C) \[\Delta G\]and\[\Delta H\]are negative but\[\Delta S\] is positive
D) \[\Delta G\]and \[\Delta S\] are negative but \[\Delta H\]is positive
Correct Answer: B
Solution :
| [b] Adsorption is spontaneous process, |
| so \[\Delta G\]= negative |
| Adsorption is exothermic process, |
| so \[\Delta H\]= negative |
| In adsorpiton entropy decreases, |
| so \[\Delta S\]= negative |
| so \[\Delta G,\Delta H\]and \[\Delta S\]all are negative |
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