... 11.14PolyethylenePolyethylene(a)144143PolyethylenePolypropyleneCH2CH2CH2CH2nCHCH2CH CH2nCH3CH3 Chapter 20 Organic Chemistry 201 1, NKMB Co., Ltd. Chemistry, Julia Burdge, 2st Ed.McGraw Hill.Mr. Truong Minh Chien ; ... double is trigonal planar2 doubles or 1 triple and 1 single is linear Chemistry, Julia Burdge, 2nd e., McGraw Hill.Tro, Chemistry: A Molecular Approach 151100nitration+ HNO3 (conc)NO2H2SO4 ... substitionTro, Chemistry: A Molecular Approach 16Aromatic Hydrocarbons•contain benzene ring structure•even though they are often drawn with C=C, they do not behave like alkenesTro, Chemistry: ...