Propane has 3 structural isomers
Answer : The propane has only one isomer. Explanation : Isomers : It is defined as the compounds having same formula but different arrangement of the atoms in the molecule. As we know that the propane is a saturated hydrocarbon that contains three carbon atoms and eight hydrogen atoms and the 3 carbon atoms bond together through the single bond. The formula of propane molecule is, . The structural formula of propane molecule is : From this we conclude that, there is only one isomer possible for propane molecule. Hence, the propane has only one isomer.
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Sorry i dont understand the question can you rephase it?