Consider the Three Isomeric Alkanes N-Hexane, 2,3-Dimethylbutane, and 2-Methylpentane

question 77

Multiple Choice

Consider the three isomeric alkanes n-hexane, 2,3-dimethylbutane, and 2-methylpentane. Which of the following correctly lists these compounds in order of increasing boiling point?

• A) 2,3-dimethylbutane < 2-methylpentane < n-hexane
• B) 2-methylpentane < n-hexane < 2,3-dimethylbutane
• C) 2-methylpentane < 2,3-dimethylbutane < n-hexane
• D) n-hexane < 2-methylpentane < 2,3-dimethylbutane
• E) n-hexane < 2,3-dimethylbutane < 2-methylpentane

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Definitions:

Limiting Factor

An environmental condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

Nutrient

A substance that provides nourishment essential for the growth and maintenance of life.

Nitrites

Compounds containing the nitrite ion, NO2−, often used in food preservation and potentially harmful in high concentrations.

Bicarbonate

A bicarbonate ion (HCO3-) or a salt containing it, which acts as a buffer to maintain the pH balance in blood and other fluids.