ANSWERS TO HALOGENATED DERIVATIVES

1) d: dichloroethane.
2) b: bromodi(fluoro)methane.
3) a: chloroethane.
4) b: 1,1-dichloro-2,2,2-trifluoroethane.
5) b: 2-chlorobutane.
6) c: 4-bromocyclohex-1-ene.
7) d: 1,4-dichlorobenzene.
8) a: (choromethyl)benzene).
9) b: tetrafluoroethene.
10) c: 2-bromo-5-chloro-4-methylhex-3-ene.