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JEE Main Chemistry question

ChemistryOrganic Chemistry - Some Basic Principles and TechniquesJEE Main

According to IUPAC nomenclature, the parent chain in the given compound (a branched keto-alkene bearing an ethyl branch) constitutes how many carbon atoms?

Answer: 6

Solution

IUPAC rules require the parent chain to be the longest continuous chain that contains the principal characteristic group (here, the ketone carbonyl) and, where there is a choice, the maximum

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Question ID VK-150154