Degree of Unsaturation With Other Elements ■ Organohalogens (X:F,CI,Br,I) Halogen replaces hydrogen Replace 2 Br by 2 H BrCH2CH-CHCH2Br = HCH2CH-CHCH2H C.H6Br2 =“C4Hg” One unsaturation: one double bond Add e2004 Thomson-Brooks/Cole Oxygen atoms-if connected by single bonds These don't affect the total count of H's O removed from here H2C=CHCH-CHCH2OH H2C=CHCH=CHCH2-H CsHg0=“CsH3”Two unsaturations: two double bonds 2004 Thomson-Brooks/Cole Degree of Unsaturation With Other Elements „ Organohalogens (X: F, Cl, Br, I) „Halogen replaces hydrogen „ Oxygen atoms - if connected by single bonds „These don't affect the total count of H's