Which of the following statements is correct regarding the critical temperature $(T_c)$?
- AIt is the highest temperature at which liquid and vapour can coexist.
- BBeyond the critical temperature,there is no distinction between the two phases and a gas cannot be liquefied by compression.
- CAt the critical temperature $(T_c)$,the surface tension of the system is zero.
- DAll of the above.
Explore More
Similar Questions
Under which of the following conditions can a gas be liquefied?
Easy
View SolutionFour gas cylinders containing $He$,$N_2$,$CO_2$ and $NH_3$ gases separately are gradually cooled from a temperature of $500 \ K$. Which gas will liquefy first?
(Given $T_C$ in $K - He: 5.3, N_2: 126, CO_2: 304.1$ and $NH_3: 405.5$)
(Given $T_C$ in $K - He: 5.3, N_2: 126, CO_2: 304.1$ and $NH_3: 405.5$)
MediumNEET 2022
View SolutionWhich of the following conditions is most favorable for the liquefaction of a gas?
Easy
View SolutionAssertion : At critical temperature,liquid passes into gaseous state imperceptibly and continuously.
Reason : The density of liquid and gaseous phase is equal at critical temperature.
Reason : The density of liquid and gaseous phase is equal at critical temperature.
Medium
View SolutionThe critical temperature of $O_2$ is $154.3 \ K$ and the critical temperature of $N_2$ is $126.0 \ K$. Which gas will liquefy first during the liquefaction of air?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo