Alkynes – Naming and Drawing 1. Name each alkyne.
a.
c.
HC ≡ CH
CH3
І CH3― C ― C ≡ C ― CH3 І
b.
d.
CH3
e.
CH2―CH3 | CH3―CH ― CH―CH ―CH―C ≡ C ―CH3 | | | F CH3 CH2―CH3
f.
2. Draw a condensed structural diagram for each compound. a. 2-propyne
b. 4,5-dimethyl-2-heptyne
c. 3-ethyl-4-methyl-1-hexyne
CH3― CH2 ― C ≡ C ― CH3
CH2―CH3 | CH3― CH―CH2―C―C ≡ CH | | CH3 CH2― CH2―CH3
CH3― CH ― CH ― C ≡ C ― CH ― F | | | Br CH3 CH ― CH ―CH3 | | CH3 CH2―CH3
d. 2,5,7-trimethyl-3-octyne
e. 2,2-dibromo-5-chloro-3-hexyne
f.
3-chloro-3,4-dimetyl-1-heptyne