MCQ
The IUPAC name of the compound

- A5-Formyl hex-2-en-3-one.
- B5-methyl-4-oxohex-2-en-5-al.
- C3-keto-2 methyl hex-5-enal.
- D3-keto-2-methyl hex-4-enal.

Explanation:
Aldehyde group is preferred over keto group.
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(Atomic mass : $Cl =35.5 \,amu , H =1\, amu$ )
$C{H_3} - C \equiv CH\xrightarrow[{(ii)\,\,NaB{H_4}}]{{(i)\,\,Hg{{(OAC)}_2}/{H_2}O}}\,(Q)$
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