Lewis Acids and Bases

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Lewis Acids and Bases
Lewis Acid electron pair acceptor (empty
atomic orbital)   Lewis Base electron pair
donor (lone electron pair)  
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These definitions Ø      Are more general than
Bronsted-Lowry definitions Ø      Able to
account for adduct compounds Ø      Able to
account for compounds with no ionizable H
atoms  
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Examples ACID BASE H NH3 ?
NH4   H OH- ? H-O H
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More Examples ACID BASE F
H F B F NH3 ? F B N H
F F H Al 3 6 H O
? Al O H 3 H H
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