A) \[T={{T}_{c}}\]and \[p<{{p}_{c}}\]
B) \[T<{{T}_{c}}\]and \[p>{{p}_{c}}\]
C) \[T>{{T}_{c}}\]and \[p>{{p}_{c}}\]
D) \[T>{{T}_{c}}\]and \[p<{{p}_{c}}\]
Correct Answer: B
Solution :
A gas can be liquefied at temperature T, when it is lower than critical temperature, \[{{T}_{c}}\]and pressure p is greater than critical pressure. Hence, \[T<{{T}_{c}}\]and\[p>{{p}_{c}}.\]
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