Identify the primary halide among the following compounds.

Give the $IUPAC$ names of the following compounds:
$(i)$ $CH_3-CH(Cl)-CH(Br)-CH_3$
$(ii)$ $CHF_2-CBrClF$
$(iii)$ $Cl-CH_2-C\equiv C-CH_2-Br$
$(iv)$ $(CCl_3)_3-C-Cl$
$(v)$ $CH_3-C(p-ClC_6H_4)_2-CH(Br)-CH_3$
$(vi)$ $(CH_3)_3-C-CH=CCl-C_6H_4I-p$

Chlorocyclohexane is:

Which among the following is $NOT$ a benzylic halide?

Match the structure in Column-$I$ with its common name in Column-$II$ and $IUPAC$ name in Column-$III$.

Column-$I$ (Structure)	Column-$II$ (Common Name) and Column-$III$ ($IUPAC$ Name)
$(A)$ $CH_3CH_2CH_2Cl$	$(iv)$ $n$-Propyl chloride,$(q)$ $1$-Chloropropane
$(B)$ $CH_3CHClCH_3$	$(ii)$ Isopropyl chloride,$(p)$ $2$-Chloropropane
$(C)$ $CH_3CH(CH_3)CH_2Cl$	$(iii)$ Isobutyl chloride,$(s)$ $1$-Chloro-$2$-methylpropane
$(D)$ $(CH_3)_3CCH_2Cl$	$(i)$ Neopentyl chloride,$(r)$ $1$-Chloro-$2,2$-dimethylpropane

The common name of $1-$chloro$-2,2-$dimethylpropane is