MHT CET 2022 Chemistry question

Not in JEE Main or NEET syllabus

What is effect of pressure on extent of adsorption?

(A)Increases as pressure increases continuously
(B)Increases at start as pressure increases and then remains constantCorrect
(C)Decreases as pressure increases
(D)No change in extent of adsorption if pressure increases or decreases

Answer: (B)

Solution

For adsorption of a gas on a solid at constant temperature, the extent of adsorption increases with pressure (Freundlich: ). At low pressure it rises almost linearly; at high pressure all the active sites of the adsorbent get covered (saturation),

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Question ID VK-095793