The given graph represents the variation of Z (compressibility factor = ) versus P , for…
Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry
The given graph represents the variation of Z (compressibility factor = 
) versus P, for three real gases A, B and C. Identify the only incorrect statement.
) versus P, for three real gases A, B and C. Identify the only incorrect statement. - For the gas A, a = 0 and its dependence on P is linear at all pressures.
- For the gas B, b = 0 and its dependence on P is linear at all pressures.
- 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
(B) For the gas B , b = 0 and its dependence on P is linear at all pressures.
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