In van dar Wall equation $[P + \frac{a}{V^{2}}] [V - b] = R T; P$ is pressure, V is volume, R is universal gas constant and T is temperature. The ratio of constants $\frac{a}{b}$ is dimensionally equal to:

Option 1 - <math> <mrow> <mfrac> <mrow> <mi>P</mi> </mrow> <mrow> <mi>V</mi> </mrow> </mfrac> </mrow> </math>

Option 2 - <math> <mrow> <mfrac> <mrow> <mi>V</mi> </mrow> <mrow> <mi>P</mi> </mrow> </mfrac> </mrow> </math>

Option 3 -  PV

Option 4 - PV3

1 Views|Posted 6 months ago

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Alok Kumar Singh | Contributor-Level 10

6 months ago

Correct Option - 3

Detailed Solution:

dimension of a Pv²

$\frac{a}{b} = p v$ dimension of b = v

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In van dar Wall equation [ P + a V 2 ] [ V − b ] = R T ; P is pressure, V is volume, R is universal gas constant and T is temperature. The ratio of constants a b is dimensionally equal to: