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19 Nov 2019
7. Which one is a terminal alkyne? a) 1-hexene b) 2-hexyne c) propyne d) 3-hexyne 8. Which reaction would give an aldehyde as a major product? a) Oxymercuration-demercuration on 1-pentyne b) Hydroboration on 1-pentyne c) Oxymercuration- demercuration on 2-pentyne d) Hydroboration on 2-pentyne 9. Which would be most stable alkene? a) hex-2-ene b) hex-1-ene c) 2-methylhex-1-ene d) 3-methylhex-1 10. Which of reactions below does not involve(s) an enol intermediate? a) oxymercuration-demercuration on 1-pentyne b) bromination of 2-pentyne c) acid-cat. hydration on 1-pentyne d) hydroboration on 2-pentyne CHEM 241 NAME TEST #3 Jun. 18, 2015 Thursday TYPE AScore PART B. Please draw the structure of product or reactant of the following reaction 12.(4) 2-lodo-3-methylpentane + NaOCH Page 1 14+
7. Which one is a terminal alkyne? a) 1-hexene b) 2-hexyne c) propyne d) 3-hexyne 8. Which reaction would give an aldehyde as a major product? a) Oxymercuration-demercuration on 1-pentyne b) Hydroboration on 1-pentyne c) Oxymercuration- demercuration on 2-pentyne d) Hydroboration on 2-pentyne 9. Which would be most stable alkene? a) hex-2-ene b) hex-1-ene c) 2-methylhex-1-ene d) 3-methylhex-1 10. Which of reactions below does not involve(s) an enol intermediate? a) oxymercuration-demercuration on 1-pentyne b) bromination of 2-pentyne c) acid-cat. hydration on 1-pentyne d) hydroboration on 2-pentyne CHEM 241 NAME TEST #3 Jun. 18, 2015 Thursday TYPE AScore PART B. Please draw the structure of product or reactant of the following reaction 12.(4) 2-lodo-3-methylpentane + NaOCH Page 1 14+
Jean KeelingLv2
7 Jun 2019