2) perform the following syntheses? a) obtain 4-pentin-1-ol from 3-Bromo-1-propanol and sodium acetylenide? b) obtain cis-3-Hexene starting from acetylene? C) obtain butyl sec-butyl ether? d) obtain l-butanol from 2-Chlorobutane? e) trans-l-methyl-1,2-cyclohexandiol from 1-Bromo-2-Methyl cyclohexane f) get (S)-2-pentanol? g) obtain 3,3-dimethyl-2-butanol from 3,3-dimethyl-1-Butene? h) obtain trans-1,2-cyclopentanediol starting from Cyclopentene? I) obtain 5-Hexin-1-ol starting from 4-Bromo-1-butanol? j) obtain l-phenyl-1-Hexin starting from acetophenone? k) obtain l-phenylethanol starting from acetophenone?