ORGANIC CHEMISTRY Chapter 12 Reduction o Reduction of an organic molecules usually corresponds to increasing its hydrogen content or to decreasing its oxygen content. Oxygen content decreases O R-C-OH reduction R-C-H Carboxylic acid Aldehyde Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 12 Reduction Reduction of an organic molecules usually corresponds to increasing its hydrogen content or to decreasing its oxygen content. Oxygen content decreases R C OH O C O reduction R H [H] Carboxylic acid Aldehyde