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

On the basis of data given above, predict which of the following gases shows least adsorption on a definite amount of charcoal?

H_{2}

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C H_{4}

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S O_{2}

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C O_{2}

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Solution

The correct option is D $H_{2}$
Smaller the value of $^{'} a^{'}$ of the critical temperature of a gas, lesser is the extent of adsorption.

Here the critical temperature of the $H_{2}$ gas is lowest. So the least adsorbed gas is $H_{2}$ .

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Similar questions

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

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

C O_{2}

S O_{2}

C H_{4}

H_{2}

C O_{2}

S O_{2}

C H_{4}

H_{2}

\begin{matrix} Gas & C O_{2} & S O_{2} & C H_{4} & H_{2} Critical T (K) & 304 & 630 & 190 & 33 \end{matrix}

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