The `IUPAC` name of
`CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(OH)overset(|)(CH)-CHO`
is

Options

A. (1) `5`-oxo-`4`-hydroxypentan-`2`-one
B. (2) `4`-hydroxy-`5`-alpentan-`2`-one
C. (3) `2`-hydroxy-`4`-oxopentanal
D. (4) `1`-al-`4`-oxopentan-`2`-ol

Answer

C

Explanation

It is a polyfunctional compound. The principal function is `-CHO`, thus, the compound is named as alkanal:
`overset(5)(CH_(3))-underset("2-Hydroxy-4-oxopentanal")(overset(O)overset(||4)C-overset(3)CH_(2)-overset(OH)overset(2|)(CH)-overset(1)CHO`)