作者Phoebetzeng (littlekindom)
看板NTU-Exam
标题[试题] 100下 刘铭璋 普化小考(ch10,11)
时间Mon May 14 21:41:50 2012
课程名称︰普通化学
课程性质︰
课程教师︰刘铭璋
开课学院：
开课系所︰
考试日期（年月日）︰100/5/3
考试时限（分钟）：50min
是否需发放奖励金：是
（如未明确表示，则不予发放）
试题 :
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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