Question

Which of the following statements concerning distillation principles is TRUE?

1) Distillation is a method for separating the components of a mixture based on boiling point differences.
2) The liquid phase of a liquid solution tends to have a higher concentration of higher boiling point components than does the vapor phase over the liquid.
3) In a simple distillation, the first fraction of distillate collected is generally a nearly pure low boiling point component.
4) A fractional distillation is one which provides multiple evaporation - condensation cycle.

Answer 1

Distillation is a method for separating the components of a mixture based on boiling point differences. Fractional distillation involves multiple cycles of evaporation and condensation. The true statement is that in a simple distillation, the first fraction of distillate collected is generally a nearly pure low boiling point component.

Step-by-step explanation:

The true statement concerning distillation principles is as follows:

1. Distillation is a method for separating the components of a mixture based on boiling point differences.
2. The liquid phase of a liquid solution tends to have a higher concentration of higher boiling point components than does the vapor phase over the liquid.
3. In a simple distillation, the first fraction of distillate collected is generally a nearly pure low boiling point component.
4. A fractional distillation is one which provides multiple evaporation - condensation cycle.

Distillation is a process used to separate homogeneous mixtures based on the difference in boiling points of the components. It involves heating the mixture and collecting the vapors, which then condense back into liquid form. The component with the lower boiling point vaporizes first, leading to its separation from the other components.