Which one of the following statements is not | vedclass

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(C) Physical adsorption (physisorption) is characterized by weak van der Waals forces between the adsorbate and the adsorbent. Because these forces ar

Vedclass · Accepted Answer

Activation energy of physical adsorption is very high

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(C) Physical adsorption (physisorption) is characterized by weak van der Waals forces between the adsorbate and the adsorbent. Because these forces are weak, the activation energy required for physical adsorption is very low, not high. Therefore, the statement that 'Activation energy of physical adsorption is very high' is incorrect. In contrast, chemical adsorption (chemisorption) typically requires a high activation energy due to the formation of chemical bonds.

Gas	Critical Temperature
$A$	$304 \ K$
$B$	$630 \ K$
$C$	$200 \ K$
$D$	$540 \ K$

Which one of the following statements is not correct?

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