How many monobromo derivatives are possible for CH₃CH₂CH₂CH₃ ?
Butane ( CH₃CH₂CH₂CH₃ ) has two types of hydrogens: 6 primary (terminal) and 4 secondary (middle). Bromination gives 1-bromobutane and 2-bromobutane, so 2 isomers.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Physical Properties - Boiling Point Dipole Moment Solubility