A) The molecular interaction between atom and \[PV/nRT>1\]
B) The molecular interaction between atom and \[PV/nRT<1\]
C) The-finite size of atoms and \[PV/nRT>1\]
D) The finite size of atoms and \[PV/nRT<1\]
Correct Answer: A
Solution :
[a] Compressibility factor \[Z=\frac{PV}{nRT}\] for ideal gas, \[Z=1(PV=nRT)\] for real gas, \[Z\ne 1(PV\ne nRT)\] \[Z>1(PV>nRT)\]is called positive deviation. \[Z<1(PV<nRT)\]is called negative deviation. The variation is due to molecular interactins.
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