Chemistry - Ideal Gas Question with Solution | TestHub

Which of the following relationship when graphed does not give a straight line for helium gas?
$\mathrm{I}.$KE vs T at constant P and V
$\mathrm{I}\mathrm{I}.$P vs V at constant T and n
$\mathrm{I}\mathrm{I}\mathrm{I}.$V vs$\frac{1}{\mathrm{T}}$at constant P and n