The given graph represent the variations of Z (compressibility factor (Z) = . pV nRT )…
Chemistry · JEE Advanced · NTA Exams — States of Matter (Gases and Liquids)
The given graph represent the variations of Z (compressibility factor (Z) = \(\left.\frac{\mathrm{pV}}{\mathrm{nRT}}\right)\) versus p, for three real gases A, B and C. Identify the only incorrect statement (2006)
- 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.
Answer
(A) For the gas A, a = 0 and its dependence on p is linear at all pressure.
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