Four gases 
and D have critical temperatures 
and 154.3 K respectively. For their adsorption on a fixed amount of charcoal, the correct order is:
C 
B 
A
B 
D 
A 
C 
A 
B
D 
B 
A
Text Solution
Verified by ExpertsA
The extent of adsorption of a gas on a solid surface depends on the critical temperature of the gas and the temperature of the solid surface. The critical temperature is the temperature above which a gas cannot be liquefied, no matter how much pressure is applied. Therefore, gases with higher critical temperatures are less likely to be adsorbed on a solid surface than gases with lower critical temperatures.
In this case, the gases are 
, and D, with critical temperatures of 
, and 154.3 K, respectively. Therefore, the correct order of adsorption on a fixed amount of charcoal is:
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