Chapter 5 Acid-Base Equilibrium X 5.1 The Bronsted theory of acids and bases ק5.2 Ionization equilibrium of water and the pH scale X$5.3 Equilibrium in solutions of weak acids and weak bases X 5.4 Buffer solutions
Chapter 5 Acid-Base Equilibrium § 5.4 Buffer solutions § 5.3 Equilibrium in solutions of weak acids and weak bases § 5.2 Ionization equilibrium of water and the pH scale § 5.1 The Brønsted theory of acids and bases
5.5 Acid-bases indicators X 5.6 Lewis acids and bases and coordination compounds X 5.7 Complexation reaction and coordination equilibrium
§ 5.7 Complexation reaction and coordination equilibrium § 5.6 Lewis acids and bases and coordination compounds § 5.5 Acid-bases indicators
5.1 The Bronsted theory of acids and bases 5.1.1 The Bronsted acids and bases 5.1.2 Relative strengths of acids and bases
§ 5.1 The Brønsted theory of acids and bases 5.1.2 Relative strengths of acids and bases 5.1.1 The Brønsted acids and bases
Overview:(sour,bitter)Taste-→Arrhenius theory(酸碱电离理论， Ht&OH),→Solvent theory,Bronsted theory(质子理论)，Lewis theory(电子理论)，soft-hard acid/base theory. 5.1.1 The Bronsted theory of acids and bases(酸碱质子理论) acid:a substance capable of donating a proton.(proton donor) (质子的给予体) base:a substance that can accept a proton.(proton acceptor) (质子的接受体)
acid: a substance capable of donating a proton. (proton donor) （质子的给予体） base: a substance that can accept a proton. (proton acceptor) （质子的接受体） 5.1.1 The Brønsted theory of acids and bases (酸碱质子理论） Overview: (sour, bitter) Taste Arrhenius theory(酸碱电离理论, H+&OH- ), Solvent theory, Bronsted theory(质子理论), Lewis theory(电子理论), soft-hard acid/base theory…
an acid -H+a base HAc =H*+Ac H2PO-H*+HPO2 HPO子=H*+PO NH-H*+NH3 [CH:NH3]*=H*+CH:NH2 [Fe(H2O)]*-H*+[Fe(OH)(H2O);]2* [Fe(OH)(H2O)]2*-H*+[Fe(OH)2(H2O)T conjugate acid conjugate base an acid-base conjugate pair(共轭酸碱对)
an acid H+ + a base + - HAc H + Ac - + - + 2 H2PO 4 H HPO 4 - + - + 3 4 2 HPO 4 H PO + + + NH 4 H NH 3 [ ] + + + CH 3NH 3 H CH 3NH 2 + + + + 2 2 5 3 [Fe(H 2O) 6 ] H [Fe(OH)(H O) ] + + + + 2 2 4 2 [Fe(OH)(H 2O) 5 ] H [Fe(OH) (H O) ] conjugate acid conjugate base an acid-base conjugate pair (共轭酸碱对)