Given is the graph between PV/T and P for 1 gm of oxygen gas at two different temperatures T₁ and T₂ (Given : density of oxygen = 1.429 kg/m³). The value of PV/T at the point A and the relation between T₁ and T₂ are
respectively

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$0.256 {JK}^{- 1} and T_{1} > T_{2}$

$4.28 {JK}^{- 1} and T_{1} < T_{2}$

$8.314 {mol}^{- 1} K^{- 1} and T_{1} > T_{2}$

$0.256 {JK}^{- 1} and T_{1} < T_{2}$

answer is C.

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Detailed Solution

At high temperature and low pressure real gases behaves as ideal gas
$\begin{array}{l} ∴ T_{1} > T_{2} \\ \frac{PV}{T} = nR = \frac{1}{32} 8 .314 = 0 .2565 \end{array}$
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