Constitutional Isomers ■ Isomers that differ in how their atoms are arranged in chains are called constitutional isomers ■ Compounds other than alkanes can be constitutional isomers of one another They must have the same molecular formula to be isomers Different carbon CH3 skeletons C,H10 CH CHCH and CH CH2CH2CHa 2-Methylpropane Butane (Isobutane) Different functional CHCH,OH and CHOCH3 groups C.HO Ethyl alcohol Dimethyl ether Different position of NH2 functional groups C.HoN CH CHCH3 and CH:CH2CH2NH2 Isopropylamine Propvlamine Thomson-Brooks ColeConstitutional Isomers „ Isomers that differ in how their atoms are arranged in chains are called constitutional isomers „ Compounds other than alkanes can be constitutional isomers of one another „ They must have the same molecular formula to be isomers