Which halide is a vicinal dihalide?
A vicinal dihalide has halogens on adjacent carbons. CH₃CHBrCH₂Br (1,2-dibromopropane) is a vicinal dihalide.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Polyhalogen Compounds - Chloroform Iodoform DDT Freons