As pressure approaches zero, the ratio of fugacity to pressure $$\left( {\frac{{\text{f}}}{{\text{P}}}} \right)$$  for a gas approaches

A. Zero

B. Unity

C. Infinity

D. An indeterminate value

Answer: Option B

Solution(By Examveda Team)

As pressure approaches zero since gas approaches ideal behavior the ratio of fugacity and pressure becomes unity.