The correct order of adsorption of gases studied will be — Surface Chemistry Chemistry Question
Question
The correct order of adsorption of gases studied will be
Answer: C
💡 Solution & Explanation
The extent of adsorption of gases on a solid adsorbent is directly proportional to their critical temperatures (Tc). The order of Tc is SO₂ (430 K) > NH₃ (405.5 K) > HCl (324 K) > CO₂ (304 K). Hence, adsorption follows the same order. Therefore, correct answer is C.
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