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
6
0
相關試題
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
12.Which of the following compounds has a double bond that is conjugated with the p system of the benzene ring? (A)p-Benzyltoluene (B)2-Phenyl-1-decene (C)3-Phenylcyclohexene (D)3-Phenyl-1,4-pentadiene (E)None of these
#2348043
13.Consider the following statements concerning the effect of a trifluromethyl group-CF3, on an electrophilic aromatic substitution. Which of these statements is (or are) correct? 1.The CF3 group will activate the ring. 2.The CF3 group will deactivate the ring. 3.The CF3 group will be a meta director. 4.The CF3 group will be an ortho, para director. (A)1,3 (B)1,4 (C)2,3 (D)2,4 (E)3,4
#2348044
14.All the following groups are activating ortho, para directors when attached to a benzene ring EXCEPT O (A) (B)-OCH3 (C)-C1 (D)-N(CH3)2 (E)None of these
#2348045
15.The 1H nmr spectrum of acetone consists of a singlet with a chemical shift of 2.07 ppm. What was the spectrometer frequency of the instrument used if this chemical shift equaled 186Hz? (A)60MHz (B)90MHz (C)100MHz (D)120MHz (E)Need more information to determine
#2348046
相關試卷
115年 - 115 國立中興大學_學士後醫學系公費生招生考試試題:化學科#138024
2026 年 · #138024
114年 - 114 國立中興大學_公費生招生考試_學士後醫學系:化學#126482
2025 年 · #126482
113年 - 113 國立中興大學_公費生招生考試_學士後醫學系:化學科#119556
2024 年 · #119556
112年 - 112 國立中興大學_學士後醫學系招生考試試題_學士後醫學系甲、乙組:化學#113979
2023 年 · #113979
109年 - 109 高雄醫學大學_學士後醫學系招生考試:化學#87230
2020 年 · #87230
108年 - 108 高雄醫學大學_學生轉系考試試題:普通化學#86806
2019 年 · #86806
108年 - 108 學士後西醫:化學#77055
2019 年 · #77055
107年 - 高雄醫學大學 107 學年度學士後醫學系招生考試試題(共同科目)--化學#75186
2018 年 · #75186
106年 - 106 高雄醫學大學_學士後醫學系招生考試:化學#77049
2017 年 · #77049
99年 - 學士後西醫化學99化學#36021
2010 年 · #36021