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B
pentane-2,4-dione
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C
hexane-2,4-dione
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D
butane-2,4-dione
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Solution
The correct option is C pentane-2,4-dione In acetyl acetone, the parent hydrocarbon contains 5 carbon atoms. Hence, it is pentane. Two carbonyl groups are present at the second and fourth carbon atom respectively. Hence, the IUPAC name of acetyl acetone is pentane - 2,4 - dione.