1. Tardigrade
  2. Question
  3. Chemistry
  4. 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 = (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 ?

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Q. 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 MainJEE Main 2019States of Matter

Solution:

As $b \uparrow \; \Rightarrow $ slope $\uparrow$
Hence, Xe, will have highest slope