Which of the following is a geminal dichloride?

Which of the following compounds is soluble in benzene but almost insoluble in water?

Explain the classification of haloalkanes and haloarenes on the basis of the number of halogen atoms with examples.

Which among the following is 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

Write structures of the following compounds:
$(i)$ $2-$Chloro$-3-$methylpentane
$(ii)$ $1-$Chloro$-4-$ethylcyclohexane
$(iii)$ $4-$tert-Butyl$-3-$iodoheptane
$(iv)$ $1,4-$Dibromobut$-2-$ene
$(v)$ $1-$Bromo$-4-$sec-butyl$-2-$methylbenzene.