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The given graph represents the variation...

The given graph represents the variations of compressibility factor `Z=PV//nRT` vs `P` for three real gases `A`, `B`, and `C`.

Identify the incorrect statements.

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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