ORGANIC CHEMISTRY Chapter 3 Eliminations(消除) o Eliminations are the opposite of additions Eliminations occur when a single reactant splits apart into two products g In an eliminations one molecule loses the elements of another small molecule A B + C H Br NaOH CH2-CH2 CH-CH, H-Br Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 3 Eliminations (消除) Eliminations are the opposite of additions. Eliminations occur when a single reactant splits apart into two products. In an eliminations one molecule loses the elements of another small molecule. A B + C CH CH2 CH2 + H Br 2 CH2 H Br NaOH