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During adsorption...

During adsorption

A

T `Delta S ` is positive

B

`DeltaH -" T " Delta s` is negative

C

`DeltaH` is positive

D

T `DeltaS and Delta G` become zero

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The correct Answer is:
B
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Fill in the blanks by putting appropriate choices. During adsorption there is _______ in enthalpy and _______ in the entropy of a system by adsorption is a spontaneous process and thus DeltaG must be ________. Rate of physisorption ________ with increase in pressure.

Which of the following is true during adsorption? a. DeltaG , DeltaH , and DeltaS all are negative. b. DeltaG is negative, but DeltaH and DeltaS is positive. c. DeltaG and DeltaH are negative, but DeltaS is positive. d. DeltaG and DeltaS are negative, but DeltaH is positive.

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