Fenske equation for determining the minimum number of theoretical stages in distillation column holds good, when the_________________?

A. Relative volatility is reasonably constant
B. Mixture (to be separated) shows negative deviation from ideality
C. Mixture (to be separated) shows positive deviation from ideality
D. Multi-component distillation is involved

Correct Answer: Relative volatility is reasonably constant ✔

Last Updated: February 17, 2019