The correct IUPAC nomenclature of the following molecule is:

3-hydroxy-2,5-dioxopentanal

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3-hydroxy-4-oxopentanal

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3-hydroxy-1,4-dioxopentanal

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3-hydroxy-5-oxopentanone

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Solution

The correct option is B 3-hydroxy-4-oxopentanal

Aldehyde group has preferene over keto group and hence it is the parent functional group of the molecule.

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The IUPAC name of CH₂=CHCHOH-CH₂CHO is:

C H_{2} - C H - C O O H ∣ ∣ O H N H_{2}

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