Which of the following gases are most easily adsorbed on a solid surface?
Gas $S O_{2}$ $C H_{4}$ $N_{2}$ $H_{2}$
$T_{c}$ 330 K 190 K 126 K 33 K

S O_{2}

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C H_{4}

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H_{2}

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N_{2}

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Solution

The correct option is A $S O_{2}$
Easily liquefiable gases are adsorbed more easily on the adsorbents. The higher the critical temperature, higher is the intermolecular force of attraction and easier is the liquification. Thus $S O_{2}$ is easily adsorbed onto the solid surface among the given gases.

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Similar questions

S O_{2}

C H_{4}

N_{2}

H_{2}

$T_{c}$ 330 K 190 K 126 K 33 K

Gas	$C O_{2}$	$S O_{2}$	$C H_{4}$	$H_{2}$
Critical temp./K	$304$	$630$	$190$	$33$

Gas	$H_{2}$	$C H_{4}$	$C O_{2}$	$S O_{2}$
Critical Temperature $(K)$	$33$	$190$	$304$	$630$

N_{2}, C O

C H_{4}

N_{2}, C O and C H_{4}

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