The IUPAC names of various compounds are given below in order:
(1) 2-Chloro-3-methylbutane (secondary alkyl halide)
(ii) 3-Chloro-4-methylhexane (secondary alkyl halide)
(iii) 1-Iodo-2,2-dimethylbutane (primary alkyl halide)
(iv) 1-Bromo-3,3-dimethyl-1-phenylbutane (secondary benzyl halide)
(v) 2-Bromo-3-methylbutane (secondary alkyl halide)
(vi) 1-Bromo-2-ethyl-2-methylbutane (primary alkyl halide)
(vii) 3-Chloro-3-methylpentane (tertiary alkyl halide)
(viii) 3-Chloro-5-methylhex-2-ene (vinyl halide)
(ix) 4-Bromo-4-methylpent-2-ene (allyl halide)
(x) 1-Chloro-4-(2-methylpropyl) benzene (aryl halide)
(xi) 1-Chloromethyl-3-(2,2-dimethylpropyl) benzene (primary benzyl halide)
(xii) 1-Bromo-2-(1-methylpropyl) benzene (aryl halide)