Give structural formulae and IUPAC names of the following compounds :
(I ) Tert-Amyl chloride ,
(ii) sec-buty, iodide ,
(iii ) neo-Hexyl bromide and
(iv ) Iso-pentyl chloride

Explanation

i) `(CH_3)_2C(CI)CH_2CH_3 "    "  `2-Chloro-2-methylbutane
ii) `CH_3CH(I)CH_2CH_3 "    "` 2-Iodobutane
iii) `(CH_3)_3 C CH_2 CH_2Br "    "` 1-Bromo-3, 3-dimethyl butane
iv) `(CH_3)_2 CHCH_2 CH_2Cl "    "` 1-Chloro-3-methylbutane