H H Name these CHC≡CH propyne CH-C≡C-CH2CH2-Br 5-bromo-2-pentyne CHCH-CH2C≡C-CH-CH3 2, 6-dime thyl-3-he pyne => Chapter 9Chapter 9 4 Name these: CH3 CH CH3 CH2 C C CH CH3 CH3 CH3 C C CH2 CH2 Br CH3 C CH propyne 5-bromo-2-pentyne 2,6-dimethyl-3-heptyne =>