阿摩線上測驗
登入
首頁
>
學士後西醫-化學
>
91年 - 58學士後西醫化學91化學#86891
> 試題詳解
5.Which of the following compounds does not undergo both S
N
1 and S
N
2 reaction?
(A)
(B)
(C)
(D)
(E)
答案:
登入後查看
統計:
A(0), B(0), C(2), D(4), E(2) #2348036
詳解 (共 1 筆)
黑面企鵝(一年上榜!)
B1 · 2023/03/23
#5757484
(D)為3°碳陽離子,不利SN2...
(共 52 字,隱藏中)
前往觀看
5
0
其他試題
1.What is the final product for the following reaction sequence?(A)3-bromo-6-ethyl-4-nitrophenol (B)6-bromo-2-ethyl-4-nitrophenol(C)2-bromo-1-4-nitrobenzene (D)2-bromo-1-ethypheno1 (E)4-bromonitrotoluene
#2348032
2.Please give the correct name for the following structure. (A)(R,S)-2,3-dichlorobutane (B)(2R,3S)-2,3-dichlorobutane (C)(2S,3S)-2,3-dichlorobutane (D)(2R,3R)-2,3-dichlorobutane (E)1,2-dichloroethane
#2348033
3.Which of the following reagents can be used to carry out the following transformation? (A)H2O/H+ (B)1.KmnO4, 2.H2O (C)1.Br 2, hv, 2.H2O (D)1.Na, 2.H2O/H+ (E)NaOH
#2348034
4.The final product for the reaction sequence below is (A)PhCH2OEt (B)PhCH2OH (C)Ph(CH2)2Br (D)Ph(CH2)2OEt (E)Ph(CH2)3OH
#2348035
6.What is the final product for the following sequence of reaction below? (A)2-methyl-1-pentanol (B)2-methylpentaneitrile (C)acetonitrile (D)2-pentanamine (E)2-bromo-2-cyano-pentanol
#2348037
7.(S)(+)-Butanol shows a specific rotation at +13.52° . What is the ratio of (S)(+)-Butanol and (R)(-)-butanol when the measured rotation equals to +6.76° ? (A)(S):(R) = 4:1 (B)(S):(R) = 2:1 (C) (S):(R) = 1:2 (D)(S):(R) = 1:2.5 (E)(S):(R) = 3:1
#2348038
8.Calculate the DG for the reaction, 2SO2(g)+O2→2SO3(g):SO2=- 300.4kJ /mol;SO3= 370.4kJ /mol (A)-70.0kJ (B)+70.7kJ (C)-670.8kJ (D)-140.0kJ (E)+140.0kJ
#2348039
9.Which of the following terms best describes the pair of compound shown: (A)enantiomers (B)diastereomers (C)meso compounds (D)same compound (E)threo-erythro isomer
#2348040
10.For the following reactions the major products are shown: (A)kinetic thermodynamic (B)thermodynamic kinetic (C)kinetic kinetic (D)thermodynamic thermodynamic (E)none of these
#2348041
11.The number of possible dichloronitrobenzene isomers is (A)3 (B)4 (C)6 (D)8 (E)9
#2348042