QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Why are alkylamines more basic than arylamines?
- ☐ The lone pair electrons are more readily available in arylamines.
- ☐ The lone pair electrons are localized in alkylamines and delocalized in arylamines.
- ☐ The lone pair electrons are delocalized in alkylamines and localized in arylamines.
- ☐ The lone pair electrons are less readily available in alkylamines.
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Step 1: Understand the question and identify the key concepts
We need to compare the basicity of alkylamines and arylamines. Basicity is a measure of how easily a molecule can donate a pair of electrons (a lone pair) to form a bond with a hydrogen ion (H+). In this case, we are comparing amines, which have a nitrogen atom with a lone pair of electrons.
Step 2: Analyze the structure of alkylamines and arylamines
Alkylamines are amines with one or more alkyl groups attached to the nitrogen atom. An alkyl group is a group of atoms that forms a chain of carbon and hydrogen atoms, with the general formula C~n~H~2n+ 1~. Arylamines are amines with an aryl group attached to the nitrogen atom. An aryl group is a group of atoms that forms an aromatic ring, typically a benzene ring.
Final Answer
The lone pair electrons are localized in alkylamines and delocalized in arylamines, making alkylamines more basic than arylamines.
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