The correct IUPAC name of the given compound is:

 
 

1.  2-Chloro-5-hydroxyhexane             
2.  2-Hydroxy-5-chlorohexane
3.  5-Chlorohexan-2-ol                           
4.  2-Chlorohexan-5-ol

Hint: \(-\mathrm{OH}\) group give higher priority than \(\text { Cl }\) group.

The given molecule contains 6 carbon atoms parent chain. Numbering of chain in such a way that \(-\mathrm{OH}\) group gets least position because it is higher priority group. The structure with numbering is as follows:

The correct IUPAC name of the compound is 5-chlorohexan-2-ol. Hence, option (3) is the correct answer.