Given
$\begin{matrix} Gas & H_{2} & C H_{4} & C O_{2} & S O_{2} Critical & 33 & 190 & 304 & 630 \end{matrix}$
Temperature /K
On the basis of data given above, predict which of the following gases shows least adsorption on a definite amount of charcoal ?

S O_{2}

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H_{2}

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C H_{4}

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C O_{2}

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Solution

The correct option is B $H_{2}$
Critical temperature is a measure of force of attraction between the gas molecules. Smaller the value of critical temperature, lower is the attractive force between molecules. So, $H_{2}$ with least critical temperature will have least absorption.

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Similar questions

\begin{matrix} Gas & H_{2} & {CH}_{4} & {CO}_{2} & {SO}_{2} Critical Temperature/K & 33 & 190 & 304 & 430 \end{matrix}

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

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 $(K)$	$33$	$190$	$304$	$630$

C O_{2}

S O_{2}

C H_{4}

H_{2}

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

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