Consider the van der Waals constants,
Question:

Consider the van der Waals constants, a and b, for the following gases.

Which gas is expected to have the highest critical temperature?

  1. $\mathrm{Kr}$

  2. $\mathrm{Ne}$

  3. $\mathrm{Ar}$

  4. $\mathrm{Xe}$


Correct Option: 1

Solution:

$\therefore \mathrm{T}_{\mathrm{c}}$ has order $: \mathrm{Kr}>\mathrm{Xe}>\mathrm{Ar}>\mathrm{Ne}$

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