[For the gas B, b = 0 and ...] The given graph represent the variations of z (compressibility factor (Z)= \dfrac{pV}{nRT} ) vers

For Competitive Exams

The given graph represent the variations of z (compressibility factor (Z)= $ \dfrac{pV}{nRT}$ ) versus p, for three real gas A, B and C. Identify the only incorrect statement.

For the gas A, a = 0 and its dependence on p is linear at all pressure

For the gas B, b = 0 and its dependence on p is linear at all pressure

For the gas C, which is typical real gas for which neither a nor b = 0. By knowing the minima and the point of intersection, with Z = 1, a and b can be calculated

At high pressure, the slope is positive for all real gases

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