Question

what is positional isomerism?

Answer 1

Hey mate here is your answer

Positional isomers are constitutional isomers that have the same carbon skeleton and the same functional groups but differ from each other in the location of the functional groups on or in the carbon chain.

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Answer 2

The isomers which possess same carbon chains but different positions of functional group or multiple bonds i.e, double or triple bond are called as positional isomers and the phenomenon involved in their formation is known as isomerism.