JEE PYQ: States Of Matter Question 16
Question 16 - 2019 (09 Apr Shift 1)
Consider the van der Waals constants for Ar, Ne, Kr, Xe. Which gas is expected to have the highest critical temperature?
(1) Kr (2) Ne (3) Xe (4) Ar
Show Answer
Answer: (1) Kr
Solution
Critical temperature $= \frac{8a}{27Rb}$. The ratio $\frac{a}{b}$ is highest for Kr.