Consider the van der Waals constants,$a$ and $b$,for the following gases:
Gas $Ar$ $Ne$ $Kr$ $Xe$ $a / (atm \ dm^6 \ mol^{-2})$ $1.3$ $0.2$ $5.1$ $4.1$ $b / (10^{-2} \ dm^3 \ mol^{-1})$ $3.2$ $1.7$ $1.0$ $5.0$
Which gas is expected to have the highest critical temperature?
| Gas | $Ar$ | $Ne$ | $Kr$ | $Xe$ |
|---|---|---|---|---|
| $a / (atm \ dm^6 \ mol^{-2})$ | $1.3$ | $0.2$ | $5.1$ | $4.1$ |
| $b / (10^{-2} \ dm^3 \ mol^{-1})$ | $3.2$ | $1.7$ | $1.0$ | $5.0$ |
Which gas is expected to have the highest critical temperature?
- A$Kr$
- B$Ne$
- C$Xe$
- D$Ar$
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