8.What would be the best name of the following compound? 2-buto yethane 2-ethoxybutane 1-methy-1-ethoxypropane Ans:E 9 unctio as an anes ble It can react slowly with oxygen at room temperature. E)All of the above are true. Ans:E Page6
Page 6 8. What would be the best name of the following compound? O A) 3-methyl-4-oxohexane D) (1-ethyl)-diethylether B) 2-butoxyethane E) 2-ethoxybutane C) 1-methy-1-ethoxypropane Ans: E 9. What significant characteristic(s) does diethyl ether exhibit? A) It functions as an anesthetic. B) It is extremely flammable. C) It is a common solvent. D) It can react slowly with oxygen at room temperature. E) All of the above are true. Ans: E
10.Which of the following reactions would be the best for the preparation of anisole (methoxybenzene) O-CH3 on con H2SO 1.CH3MgBr 2H0+ one of the Page7
Page 7 10. Which of the following reactions would be the best for the preparation of anisole (methoxybenzene)? O CH3 A) Br ? CH3O- Na+ B) OH ? CH3OH H2SO4 C) O- Na+ ? CH3Br D) O ? 1. CH3MgBr 2. H3O+ E) None of the above would work. Ans: C
11.Which of the following reactions would be best for the preparation of Nerolin II c O-CH2CH3 Nerolin II (odor of orange blossoms) on angna H2S04 os CICIE DMSO CH;CH2O Na* DMSO D Ans:B ncombustion nu The nroducts can tration E) By absorbing all of the oxygen in closed areas,ethers pose suffocation risks Ans: Page8
Page 8 11. Which of the following reactions would be best for the preparation of Nerolin II? O CH2CH3 Nerolin II (odor of orange blossoms) A) OH ? CH3CH2OH H2SO4 B) O- Na+ ? CH3CH2Br DMSO C) Br CH3CH2O- Na+ DMSO ? D) Any of the above would work. E) None of the above would work. Ans: B 12. Why is the autoxidation (slow oxidation by air) of ethers important? A) Several industrial chemicals are made by this method. B) The heat generated often leads to open combustion. C) It makes ethers unusable as anesthetics. D) The products can explode upon concentration. E) By absorbing all of the oxygen in closed areas, ethers pose suffocation risks. Ans: D
13.What would be the product of the following reaction? CH3S"K' Page9
Page 9 13. What would be the product of the following reaction? O H H ? CH3S- K+ A) H OH H SCH3 B) OH H3CS H H C) H OH H SCH3 D) OSCH3 H H H E) H OH Ans: A
14.What product would result from the following reaction 9 HBr (exces） Page 10
Page 10 14. What product would result from the following reaction? O ? HBr (excess) heat A) O Br B) OH Br C) O Br D) Br OH E) Br Br Ans: B