Chemistry · PYQ NEET UG 2017

The IUPAC name of the compound \( \text{H-C}=\text{CH}-\text{C}-\text{CH}=\text{CH}-\text{CHO} \) \n(with O attached to the second carbon from left forming a carbonyl) is:

1. A
   5-formylhex-2-en-3-one
2. B
   5-methyl-4-oxohex-2-en-5-al
3. C
   3-keto-2-methylhex-5-enal
4. D
   3-keto-2-methylhex-4-enal