Ch_322a_3.04

Ch_322a_3.04 - Lewis acid Lewis base reactions H:NH 3 NH 4...

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Acids and Bases The Lewis Definitions of Acids and Bases In 1923, the same year the Bronsted-Lowry definitions were introduced, G.N. Lewis (1875-1946) broadened the definitions of acids and bases: An acid is a chemical species that can accept an electron pair . A base is a chemical species that can donate an electron pair
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Unformatted text preview: . Lewis acid + Lewis base reactions H + + :NH 3 NH 4 + F-B F F + :F: :-F-B-F F F-Br-Fe Br Br + :Br-Br: Br-Fe Br Br :Br-Br:-+ Note: Any electron deficient atom can act as a Lewis acid by accepting an electron pair. This idea is important in organic reaction mechanisms....
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