What is the total number of distinct structural isomers possible for the saturated alkane hexane ()? — Isomerism and Stereochemistry Chemistry Question
Question
What is the total number of distinct structural isomers possible for the saturated alkane hexane ($C_6H_{14}$)?
Answer: B
💡 Solution & Explanation
The molecular formula $C_6H_{14}$ has $DU=0$. Systematically drawing the possible carbon skeletons yields exactly 5 structural isomers: n-hexane, 2-methylpentane, 3-methylpentane, 2,2-dimethylbutane, and 2,3-dimethylbutane.
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