. Define the term structural isomerism
Explain why propane cannot exhibit this property. Draw the structures of possible isomers of butane, C4H10
Best Answer
Ans. (i) The organic compounds having the same molecular formula but different structures are known as structural isomers.
(ii) The phenomenon of occurring two or more different organic compounds having the same molecular formula but different structures is called 'structural isomerism'.
(iii) No isomerism is possible in. propane as it has only 3 carbon atoms, it is not possible to have different arrangement of carbon atoms in propane.
(iv) Isomers of butane, C4H1o:
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