ORGANIC CHEMISTRY Chapter 16 16.6a Reversibility of Nucleophilic Addition to the Carbon-Oxygen Double Bond Many nucleophilic additions to carbon-oxygen double bonds are reversible o The overall results of these reactions depend on the position of an equilibrium R R OH C=0 NaHSO2= H H SO3 Na (CH3) (CH3) Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 16 16.6A Reversibility of Nucleophilic Addition to the Carbon-Oxygen Double Bond Many nucleophilic additions to carbon-oxygen double bonds are reversible, The overall results of these reactions depend on the position of an equilibrium. R C H O (CH3) + NaHSO3 R C H SO3Na OH (CH3)