Question

part a
identify an ether.
ch3ch2sch2ch3
ch3ch2ph2
ch3ch2och2ch3
ch3ch2sh
ch3cooch3

Explanation:

An ether has the general formula R - O - R', where R and R' are alkyl or aryl groups. Among the given options, $CH_3CH_2OCH_2CH_3$ fits this formula with $R = CH_3CH_2$ and $R'=CH_2CH_3$.

Answer:

$CH_3CH_2OCH_2CH_3$