The volumes of gases H_2, CH_4, CO_2 and NH_3 | vedclass

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Question

(D) The amount of gas adsorbed by a solid depends on the nature of the gas. Easily liquefiable gases,which have higher critical temperatures,are adsor

Vedclass · Accepted Answer

$NH_3 > CO_2 > CH_4 > H_2$

Vedclass · Answer

(D) The amount of gas adsorbed by a solid depends on the nature of the gas. Easily liquefiable gases,which have higher critical temperatures,are adsorbed more readily because they possess stronger van der Waals forces. The critical temperatures of these gases are in the order: $NH_3 (405.5 \ K) > CO_2 (304.1 \ K) > CH_4 (190.6 \ K) > H_2 (33.2 \ K)$. Therefore,the volume of gases adsorbed by $1 \ g$ of charcoal at $288 \ K$ follows the same order: $NH_3 > CO_2 > CH_4 > H_2$.

The volumes of gases $H_2, CH_4, CO_2$ and $NH_3$ adsorbed by $1 \ g$ of charcoal at $288 \ K$ are in the order:

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