Write structural formulas for each of the following:

$($a$)($Z$)-$But$-2-$en$-1-$ol

$($e$)2-$Chlorohex$-3-$yn$-1-$ol

$($i$)$ Diisopropyl ether

$($b$)($R$)-$Butane$-1,2,4-$triol

$($f$)$ Tetrahydrofuran

$($j$)2-$Ethoxyethanol

$($c$)(1$R$\mathrm{.}2$R$)-$Cyclopentane$-1,2-$diol

$($g$)2-$Ethoxypentane

$($d$)1-$Ethylcyclobutanol

$($h$)$ Ethyl phenyl ether