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AP EAMCET · Chemistry · Surface Chemistry

The correct order of adsorption of the following gases on the surface of charcoal is
\(\begin{array}{llllll}\mathrm{H}_2 & \mathrm{CH}_4 & \mathrm{SO}_2 & \mathrm{H}_2 & \mathrm{CH}_4 & \mathrm{SO}_2 \\ \mathbf{I} & \mathbf{I I} & \text { III } & \mathbf{I} & \text { II } & \text { III }\end{array}\)

  1. A III \(>\) II \(>\) I
  2. B III \(>\) I \(>\) II
  3. C \(\mathrm{II}>\mathrm{I}>\mathrm{III}\)
  4. D \(\mathrm{II}>\mathrm{III}>\mathrm{I}\)
Verified Solution

Answer & Solution

Correct Answer

(A) III \(>\) II \(>\) I

Step-by-step Solution

Detailed explanation

Higher is the critical temperature of a gas, greater is the case of liquefaction i.e., greater is the van der Waal's interaction.