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  • Based on data given below to predict which of the following gases shows the least adsorption on a definite amount of charcoal?

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

Gas

Critical temp./K

\text {CO}_{2}

304

\text {SO}_{2}

630

\text {CH}_{4}

190

\text {H}_{2}

33

(i)\; \text {CO}_{2}

(ii)\; \text {SO}_{2}

(iii)\; \text {CH}_{4}

(iv)\; \text {H}_{2}

Answers (1)

The answer is the option (iv). The extent of adsorption is higher for gases with lower critical temperature. In the above case, hydrogen has the least value of critical temperature and thus, shows the least susceptibility towards adsorption

 

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