Write the IUPAC name of the compound : CH3−CH−CH2−C−CH3 ||| OHO

The correct IUPAC name is 4-hydroxypentan-2-one. The parent compound contains 5 carbon atoms. Hence, it is a derivative of pentane. The carbonyl group is present on the second carbon atom. Hence, it is named pentan-2-one. The last alphabet 'e' of pentane is replaced with the word -2-one. A hydroxyl group is present as a substituent on the fourth carbon atom and is named as a prefix.