a
(a) From gas equation,
$p V=n R T$
Here, $n=1$ mole
So, $p V=R T \dots(i)$
Substituting the value of $R$ in Eq. $(i)$, we get
$p V=8.3 T$
Clearly, slope of $p V$ versus $T$ line is $8.3$, which is greater than one. Hence, following graph is correct.
