1. Tardigrade
  2. Question
  3. Chemistry
  4. Given below are the critical temperatures of some of the gases: Gas Critical temperature (K) He 5.2 CH4 190 CO2 304.2 NH3 405.5 The gas showing least adsorption on a definite amount of charcoal is :

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Q. Given below are the critical temperatures of some of the gases :
Gas Critical temperature (K)
$He$ 5.2
$CH_4$ 190
$CO_2$ 304.2
$NH_3$ 405.5
The gas showing least adsorption on a definite amount of charcoal is :

JEE MainJEE Main 2022Surface Chemistry

Solution:

More the critical temp. of gas greater is the ease of liquefaction hence greater is the adsorption.