問題詳情
46. What is the name of the following amine?
(A) Pyridine
(B) Pyrrole
(C) Piperidine
(D) Pyrimidine
(E) Pyrrolidine
參考答案
無參考答案
內容推薦
- The acid present in vinegar is .(A) Ethanol (B) Ethanoic acid (C) Formic acid(D) B
- 已知甲袋有 5 張分別標示 1 ~ 5 的號碼牌,乙袋有 6 張分別標示 6 ~ 11 的號碼牌,慧婷分別從甲、乙兩袋中各抽出一張號碼牌。若同一袋中每張號碼牌被抽出的機會相等,則她抽出兩張號碼
- 座標平面上,有一線型函數圖形過 (-3, 4) 和 (-7, 4 ) 兩點,判斷此函數圖形會過哪兩象限?(A) 第一象限和第二象限(B) 第一象限和第四象限(C) 第二象限和第三象限(D) 第
- 如圖(十四),將二次函數 y=31x2-999x+892的圖形畫在座標平面上,判斷方程式31x2-999x+892 =0的兩根,下列敘述何者正確? (A)兩根相異,且均為正根(B)兩根相異,且
- Give the reagent(s) that would best accomplish the following transformation. (A) CH3COOH (B) MnO
- 【題組】What is the main idea of this story? character 角色(A) The main character and Dad made eggs a
- An infrared spectrum exhibits a broad band in the 3000 to 3500cm-1region and a strong peak at 171
- The following problem refers to the 1H nmr spectrum of CH3CH2OCH2OCH2CH(A)12 (B)5 (C)4 (D)3 (E)
- 【題組】What caused the liquid eggs to turn into solid scrambled eggs?(A) The heat from the cooking
- The relationship between magnetic field strength and the energy difference between nuclear spin s
內容推薦
- 圖 ( 十二 ) 為正三角形 ABC 與正方形 DEFG 的重疊情形,其中 D、E 兩點分別在 上,且 。若 ,則 F 點到 的距離為何? (A) 2(B) 3(C) 12-4√3(D) 6√
- 如圖(八),長方形ABCD中,M、N兩點分別是 的中點,且長方形AMND分成甲、乙兩長方形,長方形MBCN分成丙、丁兩長方形。若面積比甲:乙=7:3,丙:丁=5:9,則乙:丙=?(A)1 :
- (25~27)【題組】__________ is a result of losing an hour of sleep while _________ is a result of slee
- Rank the following species in order of increasing polarity of the carbon-metal bond (lest®most po
- Which (if any) of the following would not be classified as an organometallic substance?(A)Triethy
- Which of the following dissolved in water to form acid rain?(A) H2SO4 (B) HCl(g) (C) NO2(g)(D) C
- (A) (B) (C) (D) (E)
- 圖(十五)為一個四邊形 ABCD,其中 與 交於E點,且兩灰色區域的面積相等。若 = 11, = 10,則下列關係何者正確? (A)∠DAE < ∠BCE(B)∠DAE>∠BCE(C) (D
- 【題組】Kids who sleep better might go to bed the same time each night, while kids who havesleeping
- Which structure best fits compound Y produced by the following series of reactions starting with
- 【題組】An opinion is someone’s personal idea that shows his or her thoughts. A fact is a statementt
- How many electrons in an atom can have of the following quantum number or sublevel designations?(
- Of the following sets of four quantum numbers, identify the ones that can exist for an electron i
- How many valence electrons in an element can have for each of the following species? (choosing th
- Which of the following statements is not correct?(A)According to the VSEPR theory, the I3-molecul
- 有兩多項式A=x2(2x-3)(5x+6),B=(5x+6)2(4x2-9)。關於A、B兩多項式,下列敘述何者正確?(A)x(5x+6)為A、B的公因式(B)(2x-3)(5x+6)為AB的公
- Suppose the hypothetical set of quantum numbers: then which of the following statements is not co
- 珠珠家共有九人,已知今年這九人歲數的眾數、平均數、中位數、四分位距均為20,則關於3年後這九人歲數的統計量,下列敘述何者錯誤?(A)眾數是23(B)平均數是23(C)中位數是23(D)四分位距
- 如圖(九),G為△ABC的重心,M、N兩點分別在 上 ,且 。若 =4, =3,∠B=90°,則長方形MBNG的面積為何?(A)2(B)3(C)3/4(D)4/3
- Which of the following statements is correct?(A)A structure with two chiral centers will always g
- Diastereomers have the same(A)melting point. (B)reaction rate toward optically active reagent. (C
- Of the following sets of four quantum numbers, identify the ones that can exist for an electron i
- Arrange in decreasing order of stability of the following four isomers.(I)cis-1-chloro-2-methylcy
- Which of the following statements correctly describes an achiral molecule?(A)The molecule has a n
- 若a、b兩數滿則102a+1 = 1000b-1 = 1000000000,則a+b=?(A)8(B)15(C)25/2(D)43/6