Write IUPAC names of the following compounds :
(i) `CHF_(2)CBrClF` (ii) `ClCH_(2)C-=C CH_(2)Br` (iii) `CH_(3)CH=CH-underset(Br)underset(|)overset(CH_(3))overset(|)C-CH_(3)`
(iv) `(CH_(3))_(2)C=CHCH_(2)Cl` (v) `(CH_(3))_(3)C CH(Cl)CH(CHBrCH_(3))CH_(2)CH_(2)CH(CH_(3))_(2)`
(vi) (vii) `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-Cl`

Explanation

(i) 1-Bromo-1-chloro-1,2,2-trifluoroethane (ii) 1-Bromo-4-chlorobut-2-yne
(iii) 4-Bromo-4-methylpent-2-ene (iv) 1-Chloro-3-methylbut-2-ene
(v) 4-(1-Bromoethyl)-3-chloro-2,2,7-trimethyloctane (vi) 1, 4-Dichloro-2-methylbenzene
(vii) 2-Chloro-2-methylpropane