While writing IUPAC name of halo compounds we should consider
Organic compounds with functional groups fluoro (- F), chloro (- Cl), Bromo (- Br) and Iodo (- I) are called halo compounds. While writing IUPAC name of halo compounds the format we follow is the position of the halo group + name of halo group + name of a parent alkane. Example: The name IUPAC name of the given halo compound is 1- Chloro propane.