Acid Halides More reactive than acids;the halogen withdraws e density from carbonyl. Named by replacing -ic acid with -y/halide. Br CH3CHCH2C-Br 3-bromobutanoyl bromide benzoyl chloride B-bromobutyryl bromideAcid Halides ◼More reactive than acids; the halogen withdraws e- density from carbonyl. ◼Named by replacing -ic acid with -yl halide. C O Cl CH3 CHCH2 C Br O Br benzoyl chloride 3-bromobutanoyl bromide -bromobutyryl bromide