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NEET 2014 Chemistry question

ChemistrySurface ChemistryNEET 2014

Not in JEE Main or NEET syllabus

Which of the following statements is correct for the spontaneous adsorption of a gas?

Answer: (2)

Solution

When a gas is adsorbed on a surface its freedom of movement decreases, so the entropy decreases: . For adsorption to be spontaneous, . Since is

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Question ID VK-091531