Question

what are constitutional isomers ??????????????????????????????????????

Answer 1

isomers which have same formula but are bonded or attached together in different orders are called constitutional isomers or structural isomers.i.e.,they have same structure.
eg:CH3-CH2-OH and CH3-O-CH3 are constitutional isomers.

Answer 2

Isomers are different compounds that share the same molecular formula. There are two major types of isomers: constitutionalisomers and stereoisomers.