Q$2)$ Draw the structures for each of the following compounds:

$(0\mathrm{.}5$ mark each$)$

a$)$ trans$-3-$octene

b$)$ buta$-1-$cis$-3-$diene

c$)1,3,5-$hexatriyne

d$)3-$methyl$-1,4-$cyclohexadiene

e$)$ cis,trans,trans$-2,4,6-$octatriene

f$)3,6-$diisopropylcyclohexa$-1,3-$diene