Match List-I with List-II. List-I Lis | vedclass

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Question

(A) . Physisorption involves weak van der Waals forces with low enthalpy of adsorption $(20-40 \, kJ \, mol^{-1})$.$B$. Chemisorption involves strong

Vedclass · Accepted Answer

$A-II, B-I, C-IV, D-III$

Vedclass · Answer

(A) . Physisorption involves weak van der Waals forces with low enthalpy of adsorption $(20-40 \, kJ \, mol^{-1})$.$B$. Chemisorption involves strong chemical bonds and is typically unimolecular (single layer).$C$. The reaction $N_{2(g)} + 3H_{2(g)} \xrightarrow{Fe(s)} 2NH_{3(g)}$ is an example of heterogeneous catalysis where the catalyst $(Fe)$ is in a solid phase and reactants are in a gaseous phase.$D$. Chromatography is a common analytical application based on the principle of differential adsorption.Therefore,the correct matching is: $A-II, B-I, C-IV, D-III$.

List-$I$	List-$II$
$A$. Physisorption	$I$. Single layer adsorption
$B$. Chemisorption	$II$. $20-40 \, kJ \, mol^{-1}$
$C$. $N_{2(g)} + 3H_{2(g)} \xrightarrow{Fe(s)} 2NH_{3(g)}$	$III$. Chromatography
$D$. Analytical Application of Adsorption	$IV$. Heterogeneous catalysis

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