The Melting Point of Lipids Depends on the Strength of the Intermolecular

question 7

Multiple Choice

The melting point of lipids depends on the strength of the intermolecular forces present in the solid.Rank the following fatty acids in order of increasing melting point. CH₃(CH₂) ₁₄CO₂H CH₃(CH₂) ₁₅CO₂H CH₃(CH₂) ₁₁CO₂H

• A) CH₃(CH₂)₁₁CO₂H < CH₃(CH₂)₁₄CO₂H < CH₃(CH₂)₁₅CO₂H
• B) CH₃(CH₂)₁₄CO₂H < CH₃(CH₂)₁₁CO₂H < CH₃(CH₂)₁₅CO₂H
• C) CH₃(CH₂)₁₄CO₂H < CH₃(CH₂)₁₅CO₂H < CH₃(CH₂)₁₁CO₂H
• D) CH₃(CH₂)₁₅CO₂H < CH₃(CH₂)₁₄CO₂H < CH₃(CH₂)₁₁CO₂H
• E) CH₃(CH₂)₁₁CO₂H < CH₃(CH₂)₁₅CO₂H < CH₃(CH₂)₁₄CO₂H

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Definitions:

Epidermis

The outer layer of the skin; literally over the true skin.

Abrasion

An injury caused by rubbing or scraping off the skin.

Foreign Material

Substances or objects present within an organism or system that are not naturally occurring or part of the system itself.

Forceps

An instrument used to grasp tissue and to clamp blood vessels.