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NEET2017Chemistry-Organic Chemistry

NEET 2017 Chemistry IUPAC Nomenclature MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The IUPAC name of the compound is

Question diagram
A

⁵−formylhex−2−en−3−one⁵⁻formylhex^{-2}-en^{-3}-one

B

⁵−methyl−4−oxohex−2−en−5−al⁵⁻methyl^{-4}-oxohex^{-2}-en^{-5}-al

C

³−keto−2−methylhex−5−enal³⁻keto^{-2}-methylhex^{-5}-enal

D

³−keto−2−methylhex−4−enal³⁻keto^{-2}-methylhex^{-4}-enal

Correct Answer

Option D

Detailed Explanation

The compound has an aldehyde group at position 5 and a ketone group at position 3, with a double bond between carbon 2 and 3, hence the name⁵⁻formylhex−2x^{-2}-en−3n^{-3}-one.

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