1.CH3-CH2-CHCl-CH3+KOH (H2O) ->CH3-CH2-CHOH-CH3+KCl 2.CH3-CH=CH-CH3+HOH -> CH3-CH2-CHOH-CH3 3.CH3-CO-CH2-CH3 +H2 -> CH3-CHOH-CH2-CH3 4.CH3-CH2-CH(CH3)-O-CO-CH3+HOH (H+) -> CH3-CH2-CHOH-CH3 +CH3-COOH