| Gas | \[{{H}_{2}}\] | He | \[{{N}_{2}}\] | \[{{O}_{2}}\] |
| \[{{T}_{c}}/K\] | 33.2 | 5.3 | 126 | 154.2 |
A) \[He<{{N}_{2}}<{{H}_{2}}<{{O}_{2}}\]
B) \[{{H}_{2}}<He<{{N}_{2}}<{{O}_{2}}\]
C) \[He<{{H}_{2}}<{{N}_{2}}<{{O}_{2}}\]
D) \[{{O}_{2}}<{{N}_{2}}<{{H}_{2}}<He\]
Correct Answer: C
Solution :
[c] More will be critical temperature easier is the liquifaction of the gas. Hence correct order will be \[He<{{H}_{2}}<{{N}_{2}}<{{O}_{2}}\]
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