Identify the correct IUPAC name for . — IUPAC and Nomenclature Chemistry Question
Question
Identify the correct IUPAC name for $CH_3-C(CH_3)_2-CH(C_2H_5)-CH_2-CH_3$.
Answer: A
💡 Solution & Explanation
The longest chain is 5 carbons. Numbering from the left gives the locant set 2,2,3, which is lower than the 3,4,4 set obtained by numbering from the right. Alphabetically, "ethyl" comes before "dimethyl" (ignoring the 'd'). Thus, 3-Ethyl-2,2-dimethylpentane.
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