What is the surface tension at the critical temperature?
- AMaximum
- BMinimum
- CZero
- DInfinite
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For gases $W, X, Y$ and $Z$,the van der Waals constants are given below. Which gas has the highest critical temperature?
Gas $a$ (atm $L^2$ mol$^{-2}$) $b$ ($L$ mol$^{-1}$) $W$ $4.0$ $0.027$ $X$ $8.0$ $0.030$ $Y$ $6.0$ $0.032$ $Z$ $12.0$ $0.027$
| Gas | $a$ (atm $L^2$ mol$^{-2}$) | $b$ ($L$ mol$^{-1}$) |
|---|---|---|
| $W$ | $4.0$ | $0.027$ |
| $X$ | $8.0$ | $0.030$ |
| $Y$ | $6.0$ | $0.032$ |
| $Z$ | $12.0$ | $0.027$ |
Liquefaction of a gas can occur $....................$
Medium
View SolutionAt which of the following conditions can a gas be liquefied? ($T_c$ and $P_c$ are critical temperature and pressure.)
Medium
View SolutionWhich of the following gases is most difficult to liquefy?
Which of the following conditions is most favorable for the liquefaction of a gas?
Easy
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