2. Draw the mechanism of the bromination of acetylene: 3. Draw the structures of the following: a. 3-bromo-3,4-dimethyl-1-hepten-5-yne b. Acetylene c. 1-ethynyl-2-methylcyclohexane

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Canvas 5. The Friedel-Crafts alkylation reaction below does not give high yields of the desired product. Select two reasons why. A. The electrophile is too poor to react with benzene. B. The carbocation will rearrange. C. Chlorine will substitute, not the alkyl group. D. Polyalkylation occurs. E. The wrong catalyst was used. AICI, poor yield MacBook Air esc 1 2 3 6 Q E R T Y P tab A S D F G K caps lock B M shift 36 fn control option command command optio

a. 4. What is the major product of the following reaction? os a4.04.0x b. a. C. b. H₂SO4 heat C. d. 5. Which is the second most stable alkene? of, of of of. of ? d. e. not a.-d. e.