JEE Main & Advanced
JEE Main Paper (Held on 09-4-2019 Afternoon)
question_answer
At a given temperature T, gases Ne, Ar, Xe and Kr are found to deviate from ideal gas behaviour. Their equation of state is given as \[p=\frac{RT}{V-b}\]at T. Here, b is the van der Waals constant. Which gas will exhibit steepest increase in the plot of Z (compression factor) vs p? [JEE Main 9-4-2019 Afternoon]
A)Ne
B)Ar
C)Xe
D)Kr
Correct Answer:
C
Solution :
\[As\,b\uparrow \Rightarrow slope\,\uparrow \] Hence, Xe, will have highest slope