Give $IUPAC$ names of the following compounds:
$(i)$ $CH_3-CH(Cl)-CH(CH_3)-CH(CH_3)-CH_2OH$
$(ii)$ $CH_3-CH(OCH_2CH_3)-CH_3$
$(iii)$ Structure of $2,6-$dimethylphenol
$(iv)$ Structure of $1-$ethoxy$-2-$nitrocyclohexane

(N/A) $(i)$ The longest chain containing the $-OH$ group has $5$ carbons. Numbering starts from the $-OH$ end. The name is $4-$chloro$-2,3-$dimethylpentan$-1-$ol.
$(ii)$ This is an ether. The longest chain is propane. The ethoxy group is at position $2$. The name is $2-$ethoxypropane.
$(iii)$ The structure shows a phenol ring with methyl groups at positions $2$ and $6$. The name is $2,6-$dimethylphenol.
$(iv)$ The ring is cyclohexane. The ethoxy group is at position $1$ and the nitro group is at position $2$ (alphabetical order). The name is $1-$ethoxy$-2-$nitrocyclohexane.