Boiling Point Increases as Shown in the Following Series of Amines

question 50

Multiple Choice

Boiling point increases as shown in the following series of amines:

Why is the boiling point of (CH₃) ₃N lower than that of (CH₃) ₂NH?

• A) (CH₃)₂NH has a higher molar mass than (CH₃)₃N .
• B) (CH₃)₂NH can form hydrogen bonds, but (CH₃)₃ N cannot.
• C) (CH₃)₃ N can form hydrogen bonds, but (CH₃)₂NH cannot.
• D) (CH₃)₂NH is polar, but (CH₃)₃ N is not.
• E) (CH₃)₃N is polar, but (CH₃)₂NH is not.

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Definitions:

Cognitive Dissonance

A psychological discomfort experienced when holding two or more conflicting cognitions (ideas, beliefs, values, emotional reactions).

Inconsistent

Lacking regularity or uniformity in thought, action, or character.

Controlled

An experiment or situation where variables are manipulated or regulated deliberately to test causality or assess outcomes.

Heider's

Fritz Heider's attribution theory focuses on how people interpret events and relate them to their thinking and behavior.