States of Matter - Result Question 43
####43. One mole of a monoatomic real gas satisfies the equation $p(V-b)=R T$ where, $b$ is a constant. The relationship of interatomic potential $V(r)$ and interatomic distance $r$ for gas is given by
(2015 Adv.) (a)
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(b)
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Solution:
- Equation of state $p(V-b)=R T$ indicates absence of intermolecular attraction or repulsion, hence interatomic potential remains constant on increasing ’ $\pi$ ’ in the beginning. As the molecules come very close, their electronic and nuclear repulsion increases abruptly.
