Consider the five esters below with formula $C_6{H}_{12}{O}_2$ :

$($a$)$

$($b$)$

$($c$)$

$($d$)$

$($e$)$

$($i$)$ Which is $/$are made from a primary alcohol?

$($ii$)$ Which is$/$are made from a secondary

alcohol?

$($iii$)$ Which is$/$are made from a tertiary alcohol?

$($iv$)$ Which is$/$are made from a branched$-$

chain alcohol?

$($v$)$ Which is$/$are made from an alcohol containing a $3$ carbon?

$($vi$)$ Which is$/$are made from an acid containing a $3$ carbon?

$($vii$)$ Which is$/$are made from the smallest possible carboxylic acid?

$($viii$)$ Which is$/$are made from an acid and an alcohol containing equal numbers of carbons?

$($ix$)$ Which contain a chiral carbon?

N OTE: Write "none" if no structure satisfies the conditions stated.