3. (10 points): In each of the following chemical reactions, identify the Lewis acids and bases (you may find it useful to first draw Lewis structures with lone pairs, etc). (a) HBF4 + H2O ? BF4? + H3O? (b) CsF + BrF3 ? Cs?[BrF4]?
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The boron atom in HBF4 accepts a lone pair of electrons from the oxygen atom in H2O, forming a bond between them. This results in the formation of BF4- and H3O+. Show more…
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