Chapter 6 - Alkyl Halides: Nucleophilic Substitution and Elimination - Study Problems - Page 280: 6-43 a

The IUPAC name of the compound is $2-bromo-2-methylpentane.$

The compound has 5 carbon atoms in its longest carbon chain ($pent-$). It has a $bromo$ group at position 2 and a $methyl$ group at position 2. So, the IUPAC name of the compound is $2-bromo-2-methylpentane$.