Questions and Answers
Which of the following best describes a Lewis acid?
A chemical species that contains an empty orbital capable of accepting an electron pair from a Lewis base
Which of the following best describes a Lewis base?
A chemical species that contains a filled orbital capable of accepting an electron pair from a Lewis acid
Which of the following is an example of a Lewis base?
NH3
Which of the following is an example of a Lewis acid?
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What is formed when a Lewis acid and base share an electron pair furnished by the Lewis base?
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Which of the following best describes a Lewis adduct?
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Which of the following is an example of a Lewis base?
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Which of the following is an example of a Lewis acid?
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What is the relationship between a Lewis acid and a Lewis base?
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What is the contribution of Gilbert N. Lewis to the terminology of Lewis acids and bases?
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Study Notes
Lewis Acids and Bases
- A Lewis acid is an electron pair acceptor, which means it can accept a pair of electrons from a Lewis base.
- A Lewis base is an electron pair donor, which means it can donate a pair of electrons to a Lewis acid.
Examples
- Examples of Lewis bases include ammonia (NH3), water (H2O), and fluoride (F-).
- Examples of Lewis acids include boron trifluoride (BF3), aluminum chloride (AlCl3), and iron(III) (Fe3+).
Lewis Adduct Formation
- When a Lewis acid and a Lewis base share an electron pair furnished by the Lewis base, a Lewis adduct is formed.
Lewis Adduct Characteristics
- A Lewis adduct is a compound that forms when a Lewis acid and a Lewis base combine.
Relationship between Lewis Acids and Bases
- A Lewis acid and a Lewis base have a complementary relationship, where the Lewis acid accepts an electron pair and the Lewis base donates an electron pair.
Gilbert N. Lewis's Contribution
- Gilbert N. Lewis introduced the terminology of Lewis acids and bases, and his work laid the foundation for understanding the concept of electron pair donation and acceptance.
