作者Phoebetzeng (littlekindom)
看板NTU-Exam
標題[試題] 100下 劉銘璋 普化小考(ch10,11)
時間Mon May 14 21:41:50 2012
課程名稱︰普通化學
課程性質︰
課程教師︰劉銘璋
開課學院：
開課系所︰
考試日期（年月日）︰100/5/3
考試時限（分鐘）：50min
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1.Use the VSEPR model to predict the geometry of the following molecules and
ions:(a)AlCl4 (b)I3- (c)NH4+ (d) NH2- (e)CO3 2-
2.Describe the bonding in formaldehyde, CH2O with hybridization. Assume that
O atom is sp2-hybridized.
3.Predict the following properties of N2+:
(a) e- configuration,
(b) bond order,
(c) magnetic propertiesm,
(d) bond length relative to the bond length of N2 (is longer or shorter?).
4.Use ethane as an example to explain the meaning of conformations. What are
Newman projections? How do the conformations of a molecule differ from
structural isomers?
5.Comment on the extra stability of benzene compared to ethylene.
6.Give the IUPAC name of the following compounds:
(a) CH3
│
CH3-CH-CH2-CH2-CH3
(b) Br
│
CH2=CH-CH-CH2-CH3
7.Classify each of these molecules as alcohol, aldehyde, ketone, carboxylic
acid, amine, or ether:
(a) CH3-O-CH2-CH3
(b) CH3-CH2-NH2
(c) CH3-CH2-C=O
│
H
(d) CH3-C-CH2-CH3
||
O
(e) O
||
H-C-OH
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