ORGANIC CHEMISTRY Chapter 3 o The strength of an acid depends on the extent to which a proton can be separated from it and transferred to a base g acidity increases as we descend a vertical column o Acidity increase from left when compare compounds in the same horizontal row of the periodic table H-F H-CIH-Br H-I HO-HHS一HHSe-H Acidity increase Acidity increase CH3-HH2N一HHO-HF一H Acidity increase Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 3 The strength of an acid depends on the extent to which a proton can be separated from it and transferred to a base. Acidity increases as we descend a vertical column. Acidity increase from left when compare compounds in the same horizontal row of the periodic table. H F H Cl H Br H I HO H HS H HSe H Acidity increase Acidity increase CH3 H H2N H HO H F H Acidity increase