Which of the following parameter is correct regarding adsorption of gases over solid?

Δ S_{s y s t e m} > 0

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Δ S_{s u r r o u n d i n g s} > 0

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Δ G > 0

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Δ H > 0

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Solution

The correct option is B $Δ S_{s u r r o u n d i n g s} > 0$
Adsorption is exothermic and it is spontaneous. thus $Δ S$ of surrounding $> 0$ .
Hence, option $B$ is the correct answer.

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