Question

1. An alkyl halide which might be expected to undergo rearrangement under Sylor El conditions is: HAC Br A. B. [ CH,Br c . CH-C-CH-CH, Br at would you acetylide, i. CH, CH, C-Br - CH CH, CH b) II CH р см, сен,сн, в. D. CH3-C-CH.CH -Br CH; в с. Task is to 13CH2C Br alkyl! 1.CH 2. Your task is to convert 2-chloropentane into l.pentene. Which reagents would you choose? a) NaOH/H2O b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)COK/(CH)COH 3. Circle the reaction below which is faster in polar protic solvents. A. CH,CH,CH,Br CH,CH,CH,OH + Br" OH, H1,0 SH.RSH B. CHỊCH,CH,Br = CH,CH,CH,SH + Be 4. Doubling the concentration of hydroxide in the reaction in problem #3A: A: causes the reaction mechanism to change. B: halves the rate of reaction. C: has no effect on the rate of reaction. D: doubles the rate of reaction. 5. Circle the reaction below which is faster. 70% H20 (CH),C-OH + HCI A. (CH),C-C30% CH, OH 50% B. (CH),C-C 50% acetone , (CH),C-OH + HCI 6. The kinetics of the reactions in problem #5 are: A: second-order B: first-order in nucleophile. D: first-order in alkyl halide. C: not measurable.

Answer 1

-CH3 Rearrange ment ༼ ཨང་ ལ་ཕྱི་གང་ལ་ H,83 -- Rearranger dangement c43 ༣༤ ཚ -9C - CH-CH₂ ༤F ]2 3 CA - CH3 (No rearrangement) ༧ ཡནས་ བཏཔ བ A， CH₃ -C- CH₂=CH2 Br CH CH₃-C - CH₂ - CH₂0 C+E༡ Rearrangement c༨༡ ༢༣ ཚ 13 (No rearrangement)