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Question
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 the least adsorption on a definite amount of charcoal is:
Options
He
CH4
CO2
NH3
MCQ
Solution
He
Explanation:
The critical temperature of a gas indicates its ease of liquefaction. The higher the critical temperature of a gas, the stronger the intermolecular attractive forces and thus the ease of liquefaction.
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