Acidity R-0-H+H,0:←→ R-0 +H,0 PK。≡I6 (K。=1016 alcohol alkoxide 0 R-C-0-H+H,0:←≥ ←→RC + HO+ pK≡5 (K。=10-5 acid carboxylate R-O- HO+ R一OH+H2O 0-0X R + HO+ R一COOH+HO stabilization 0 of carboxylate Copyright2005 Pearson Prentice Hall,Inc. => Chapter 20 11 Chapter 20 11 Acidity =>