Show how you would synthesize the following compounds, starting with acetylene and any

Chapter 9, Problem 9-37

(choose chapter or problem)

Show how you would synthesize the following compounds, starting with acetylene and any compounds containing no more than four carbon atoms.

(a) hex-1-yne

(b) hex-2-yne

(c) cis-hex-2-ene

(d) trans-hex-2-ene

(e) 1,1-dibromohexane

(f) 2,2-dibromohexane

(g) pentanal, \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\)

(h) pentan-2-one, \(\mathrm{CH}_{3}-\mathrm{CO}-\mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}\)

(i) \(\text { ( } \pm \text { )-3,4-dibromohexane }\)

(j) meso-butan-2,3-diol

(k) 2-methylhex-3-yn-2-ol