What is the major organic product from the reaction of 3-hexyne with 1 mole of Br2? a. (E) 3,4-dibromohexene b. (Z) 3,4-dibromohexene c. (E) 2,3-dibromohexene d. (Z) 2,3-dibromobutene

Choose the two alkyl bromides and the hydrogenation method that must be used to synthesize these alkenes from acetylene. Enter your answer as two letters in alphabetical order, followed by a number; i.e. ac2, not ca2. Do not use punctuation. Alkyl Halides a. CH3CH,Br. b. CH3(CH2)4Br c. CH3(CH2);Br d. CH3(CH2)6Br e. CH3(CH2);Br f. CH3(CH2);Br g. CH3(CH2)12B Hydrogenation Method 1. H2, Lindlar's catalyst 2. Na, NH3 (1) Alkene #1: H3C CH3 Alkene #2: CH3 H3C

C. D. B. 1) Give the major organic product of the following reaction. Don't forget stereochemistry in certain cases. 2) Assign the reaction as addition, elimination, substitution, or rearrangement. A. D D 1. H₂O/Hg(OAC) 2 2. NaBH4 Br₂ CCl4 (inert solvent) H₂/Pd/C HBr Type of Reaction: Type of Reaction: Type of Reaction: Type of Reaction:

G.255.