Statement 1 : Adsorption is exothermic and spontaneous in spite of the fact that adsorption is accompanied with decrease in entropy.Statement 2 : The factor T∆S is lesser than ∆H.
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a
If both Statement 1 and Statement 2 are true but statement 2 is the correct explanation of the statement 1.
b
If both Statement 1 and Statement 2 are true but statement 2 is not the correct explanation of the statement 1.
c
If Statement 1 is true but Statement 2 is false.
d
If Statement 1 is false but Statement 2 is true.
answer is C.
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Detailed Solution
∆S is -ve because adsorption leads to more ordered arrangement.Thus ∆G=∆H-T∆S∆G=-ve only when ∆H>T∆S.