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GUJCET · Chemistry · Aldehydes, Ketones, and Carboxylic Acids
What is the IUPAC name of the Mesityl oxide?
- A 3-methylpent-4-en-2-one
- B 4,4-dimethylbut-3-en-2-one
- C 4-methylpent-3-en-2-one
- D 1-methylpent-2-en-4-one
Answer & Solution
Correct Answer
(C) 4-methylpent-3-en-2-one
Step-by-step Solution
Detailed explanation
The structure of Mesityl oxide is \((CH_3)_2C=CHCOCH_3\). Numbering the longest carbon chain containing both the ketone and alkene groups, starting from the end closer to the ketone:
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