States of Matter 1 Question 18
18. Positive deviation from ideal behaviour takes place because of $(2003,1 \mathrm{M})$
(a) molecular interaction between atom and $p V / n R T>1$
(b) molecular interaction between atom and $p V / n R T<1$
(c) finite size of atoms and $p V / n R T>1$
(d) finite size of atoms and $p V / n R T<1$
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Solution:
- Positive deviation corresponds to $Z>1$
$\because \quad Z=\frac{p V}{n R T}$, for positive deviation, $\frac{p V}{n R T}>1$.
