The correct IUPAC name of the compound is: — IUPAC and Nomenclature Chemistry Question
Question
The correct IUPAC name of the compound $CH_3-CH_2-CH(CH(CH_3)_2)-CH(CH_2CH_3)-CH_2-CH_2-CH_3$ is:
Answer: A
💡 Solution & Explanation
The longest continuous carbon chain has 7 carbons (heptane). Numbering from left gives substituents at positions 3 and 4 (the lowest set compared to 4,5 from the right). The substituents are an ethyl group and a 1-methylethyl (isopropyl) group. Alphabetically, "ethyl" comes before "methylethyl" (or "isopropyl"), giving 4-Ethyl-3-(1-methylethyl)heptane (or 4-Ethyl-3-isopropylheptane).
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