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Solution


Q.

The IUPAC name of the compound                [2017]
1 5-formylhex-2-en-3-one  
2 5-methyl-4-oxohex-2-en-5-al  
3 3-keto-2-methylhex-5-enal  
4 3-keto-2-methylhex-4-enal  

Ans.

(4)