一.

無機化學

A.	選出一正確答案; 每題三分,共十五分

1.	The bond order of N2 is (a) 3 (b) 2 (c) 1 (d) 0

2.	The point group of H2O is (a) C2v (b) C3v (c) C4v (d) D2h

3.	Cr(NH3)63+ is a (a) solution (b) gas (c) anion (d) complex

4.	The geometry of CH4 is (a) linear (b) triangular planar (c) octahedron (d) tetrahedron

5.	The best method to derive the crystal structure is (a) UV-vis (b) NMR(c) IR (d) X-ray diffraction

B.

問答題; 十分

What are insulator, semiconductor and conductor ?

二.

物理化學:

A.	請選出一個正確答案:(共16%)

1.	For Which gas do the molecules have the smallest average kinetic energy(動能) at the same temperature. (a)He, (b)Cl2, (c)NH3, (d) all gases the same.(4%)

2.	Which orbital has the highest energy in K atom. (4%) (a)1S, (b)4S, (c),3s, (d)3d.

3.	An aqueous solution of NaCl is a good conductor of electricity of electricity. Because of this property, table salt is classified as a (a) semi-electrolyte, (b) weak electrolyte, (c)strong electrolyte, (d)nonelectrolyte.(electrolyte : 電解質) (4%)

4.	What is the pH value of 0.01M HCl aqueous solution. (a)1, (b)-1, (c)2, (d)-2. (4%)

B.

問答題

材料的主要種類? (9%)

三.

有機化學

A.	選出一正確答案; 每題四分,共二十分

1.	Which of the following is the strongest base ? (a)RMgX (b) Mg(OH)X (c) ROH (d) H2O (e) HCl

2.	Which reagents will distinguish between cyclopentanol and cyclopentane ? (a)Br2/CCl4 (b) KMnO4 (cold) (c) CrO3/aqueous H2SO4 (d) NaOH(aq) (e) both (a) and (b)

3.	What is the total number of pentene isomers, including stereoisomers ? (a)2 (b) 3 (c) 4 (d) 5 (e) 6

4.	How many sigma bonds are there in CH2=CH-CH=CH2 (a)6 (b) 7 (c) 8 (d) 9 (e) 10

5.	Which of the following compounds can exhibit cis-trans isomerism ? (a) 1-pentene (b) 2-pentene (c) 2-methyl-2-pentene (d) 3-methyl-1-pentene (e) 1-hexene

B.

合成 (五分)

1,3-cyclopentadiene from cyclohexanol

四.

分析化學

A.	選出一正確答案; 每題三分,共十五分

1.	Which of following description is not correct:

(a).	Accuracy : the closeness of an experimental measurement or result to the true or accepted value.

(b).	Detection limit: the smallest amount or concentration of an analyte that can be detected by a given procedure and with a given degree of confidence.

(c).	Matrix : the remainder of the sample of which the analytes forma a part.

(d).	Sensitivity : the change in the response from an analyte relative to a small variation in the amount being determined.

(e).	Precision: the systematic error associated with a measurement or result. Sometimes called the variability and can be represented by standard deviation.

2.	Which of the following spectroscopic method is not based on the signal of electronic transition:

(a).	Fluorescence spectroscopy

(b).	UV/Vis absorption spectroscopy

(c).	Atomic spectroscopy

(d).	Infrared spectroscopy

(e).	Phosphoriscence spectroscopy.

3.	Which of following method is not used in separation of mixtures:

(a).	Gas chromatography

(b).	High-performance liquid chromatography

(c).	Supercritical fluid Chromatography

(d).	Capillary Electrophoresis

(e).	Polarography

4.	Which of following method is the most unsuitable for surface analysis:

(a).	Auger spectroscopy

(b).	Scanning electron spectroscopy

(c).	X-ray photoelectron spectroscopy

(d).	Atomic force microscope.

(e).	Raman spectroscopy.

5.	Which of following description is correct:

(a).	Mass spectrometry can be used to identify structural isomers.

(b).	NMR can be used for elemental analysis.

(c).	X-ray fluorescence spectroscopic method is a destructive method.

(d).	Anti-stokes in Raman spectroscopy is stronger in intensity than stokes.

(e).	A bond with high polarizability is favored in FT-IR spectroscopic method.

B.

計算題 (十分)

(a)	Calculate the pH of a solution that is 0.200 M in NH3 and 0.300 M in NH4Cl. The Ka for NH4+ is 5.70*10-10.

(b)	Calculate pH changes that takes place when a 100-mL portion of 0.05 M HCl is added to 400 mL of solution in (a).