Which Statement Regarding the Fractional Distillation of Two Substances Is

question 13

Multiple Choice

Which statement regarding the fractional distillation of two substances is not correct?

• A)The substance with the lower boiling point has a higher concentration in the vapor than in the liquid.
• B)The boiling point of the mixture is not constant, changing as the distillation progresses.
• C)The substance with the higher vapor pressure has a higher concentration in the vapor than in the liquid.
• D)The mole ratio of the two substances in the vapor is not the same as it is in the liquid.
• E)When the vapor at any stage of the distillation is condensed, the resulting distillate has the same composition as the original mixture of the two substances.

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Definitions:

Truth Table

A mathematical table used in logic to determine whether a compound statement is true or false.

Atomic Sentences

Sentences without any logically connective components, expressing a single idea.

Truth Values

The attribution of truth or falsity to propositions, indicating whether they are true or false.

Short Form Truth Table

A method for evaluating the validity of logical arguments using a condensed version of a truth table, focusing only on critical rows that can falsify an argument.