Knowledge$/$ Understanding concepts:

$1-$ Draw the structure for each compound.

a$)3,3-$dichloro$-1-$butyne

b$)N-$methyl$-$N$-$propyl$-2,5-$di bromo$-3-$methyl$3-$heptanamine

c$)2-$methyl$-5-$propoxy nonane

d$)3,3,4-$tri ethyl nonanal

e$)N-$ethyl$-N-$propyl methanamide

f$)2-$butyl$-5-$fluoro$-3,3,4-$tri methyl pentanoate