Which pair of petroleum derivates is the least volatile fraction extracted from a fractional distillation tower?
A) asphalt and lubricating oil
B) fuel oil and kerosene
C) fuel oil and gasoline
D) gasoline and kerosene

Question

Quizplus · Accepted Answer

The least volatile fraction is the one with the highest boiling point. Asphalt and lubricating oil have higher boiling points compared to fuel oil, gasoline, and kerosene. Therefore, option A is the best choice as it includes the two fractions with the highest boiling points.

Which Pair of Petroleum Derivates Is the Least Volatile Fraction