Concept:Vinylic halides are compounds where the halogen atom is bonded to an sp2 hybridised carbon of an unsaturated aliphatic chain.Explanation:The halogen is directly attached to a carbon atom that is part of a carbon-carbon double bond.This carbon is sp2 hybridised and belongs to an alkene.Hence, such compounds are classified as haloalkenes.Answer:Option B - Haloalkene.