LTR Topics Class 11 Chemistry

IUPAC Nomenclature

Priority Order of Functional Groups

• Carboxylic acid > Sulphonic acid > Anhydride > Acid chloride > Amide > Cyanide > Isocyanide > Aldehyde > Ketone > Alcohol > Thiol > Amine

GOC

Order of -I Effect

• -NF⁺₃ > -NR⁺₃ > -SR⁺₂ > -NH⁺₃ > -NO₂ > -SO₃H > -CN > -CHO > -COOH > -F > -Cl > -Br > -I > -OR > -OH > -CCH > -NH₂ > Benzene > Ene > H