Question

State True or False.

For real gases, at high temperature $Z=0$.

• A. True
• B. False

Answer 1

The correct option is B False

$Z=\frac{PV}{RT}=1$ for a perfect gas.
For real gases, the value of $Z$ is finite and it may be less or more than unity depending on the temperature and pressure of the gas.
The real gases follow closely the ideal gas equation only at low pressures and high temperatures so $Z=1$.