國立彰化師範大學105學年度第1學期學士班轉學生招生考試試題
系所：
化學系
科目：
普通化學
年級：
☆☆請在答案紙上作答☆☆
二年級
共 4 頁，第 1 頁
一、選擇題 (each 3%, total 60%)
1. Which of the following is not a monosaccharide?
(A) Glucose
(B) Fructose
(C) Galactose
(D) Sucrose.
2. The complimentary nucleic acid sequence for the following DNA sequence—GAC TAC GTT
AGC—is
(A) GAC TAC GTT AGC
(B) CGA TTG CAT CAG
(C) TCA GCA TGG CTA
(D) CTG ATG CAA TCG
3. How many moles of electrons are produced from a current of 14.4 A in 3.20 hours?
(A) 4.78  10–4 mol
(B) 1.72 mol
(C) 46.1 mol
(D) 3.35 mol
4. You are told that metal X is a better reducing agent than metal Y. This must mean that:
(A) X+ is a better oxidizing agent than Y+.
(B) Y+ is a better oxidizing agent than X+.
(C) X+ is a better reducing agent than Y+.
(D) Y is a better oxidizing agent than X.
5. What is the oxidation state of Hg in Hg2Cl2?
(A) +2
(B) 1
(C) 2
(D) +1
6. Gold is produced electrochemically from an aqueous solution of Au(CN)2– containing an excess
of CN–. Gold metal and oxygen gas are produced at the electrodes. How many moles of O2 will
be produced during the production of 1.00 mole of gold?
(A) 0.25
(B) 0.50
(C) 1.00
(D) 4.00
7. Hydrocarbons containing a carbon–carbon triple bond are called
(A) alkenes
(B) alkynes
(C) alkanes
8. Name the following:
(A) n-heptane
(B) 2-methyl-2-ethylbutane
(C) 3,3-dimethylpentane
(D) none of these
-1-
(D) aldehydes
國立彰化師範大學105學年度第1學期學士班轉學生招生考試試題
系所：
化學系
科目：
普通化學
年級：
☆☆請在答案紙上作答☆☆
二年級
共 4 頁，第 2 頁
9. The electrons in the delocalized molecular orbitals of benzene (C6H6)
(A) are confined between two adjacent bonding atoms.
(B) are free to move around the six-membered ring.
(C) form the electron pairs in the C-H bonds of the compound.
(D) are unevenly distributed through the molecule.
10. Which of the following correctly lists species in order of increasing bond order?
(A) C2 < Li2 < Be2 < N2
(B) Be2 < Li2 < C2 < N2
(C) N2 < Be2 < Li2 < C2
(D) N2 < C2 < Li2 < Be2
11. The rate law for the reaction 3A  C is Rate = 4.36  10–2 L mol–1 hr–1[A]2
What is the half-life for the reaction if the initial concentration of A is 0.250 M?
(A) 0.0109 hr
(B) 0.0629 hr
12. For the reaction A(g)
+
2B(g)
(C) 15.9 hr

2C(g)
(D) 91.7 hr
+
2D(g)
The following data were collected at constant temperature. Determine the correct rate law for
this reaction.
Trial
1
2
3
4
(A) Rate = k[A] [B]
Initial [A]
Initial [B]
Initial Rate
(mol/L)
(mol/L)
(mol/(L·min))
0.125
0.375
0.250
0.375
0.200
0.200
0.400
0.400
7.25
21.75
14.50
21.75
(B) Rate = k[A]2 [B]
(C) Rate = k[A] [B]2
(D) Rate = k[A]
13. Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the firstorder rate constant for its decay, in units of years–1?
(A) 5.25  10–5 years–1
(B) 1.21  10–4 years–1
(C) 1.75  10–4 years–1
(D) 3.49  10–4 years–1
14. For a chemical reaction to be spontaneous only at low temperatures, which of the following
conditions must be met?
(A) S° > 0, H° > 0
(B) S° > 0, H° < 0
(C) S° < 0, H° < 0
(D) S° < 0, H° > 0
-2-
國立彰化師範大學105學年度第1學期學士班轉學生招生考試試題
系所：
化學系
年級：
科目：
普通化學
☆☆請在答案紙上作答☆☆
二年級
共 4 頁，第 3 頁
15. Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them
are state functions?
(A) 4
(B) 1
(C) 2
(D) 3
16. Use the thermodynamic data at 298 K below to determine the Ksp for barium carbonate, BaCO3
at this temperature.
Substance:
H° f (kJ/mol):
G° f (kJ/mol):
S°(J/Kmol):
Ba2+(aq)
CO32–(aq)
BaCO3(s)
–538.36
–560.7
13
–676.26
–528.1
–53.1
–1219
–1139
112
(C) 1.59  10–9
(B) 6.30  108
(A) 5.86
(D) 5.47  10–21
17. A backpacker collects snow at 0°C, and places it in a cooking pot on a camp stove. It takes 643
kJ of heat energy to melt the snow and bring the water to boiling. Assuming no heat loss, and
neglecting the specific heat capacity of the pot, calculate the mass of snow that the backpacker
collected. (Data: specific heat capacity of liquid water, c = 4.18 J/gK;
H2O(s) 
(A) 1.92 kg
H2O(l)
(B) 1.90 kg
H = Hfusion = 6.02 kJ/mol)
(C) 1.52 kg
(D) 855 g
18. Which of the following is a correct set of quantum numbers for an electron in a 3d orbital?
(A) n = 3, l = 0, ml = –1
(B) n = 3, l = 2, ml = –2
(C) n = 3, l = 2, ml = 3
(D) n = 3, l = 3, ml = +2
19. Infrared radiation from the sun has a wavelength of 6200 nm. Calculate the energy of one
photon of that radiation.
(A) 4.l  10–39 J
(B) 4.l  10–30 J
(C) 3.2  10–29 J
(D) between 10–20 and 10–19 J
20. The de Broglie equation predicts that the wavelength (in m) of a proton moving at 1000. m/s is
(A) 3.96  10–10 m
(B) 3.96  10–7 m
(C) 2.52  106 m
(D) 2.52  109 m
二、計算說明題 (Total 40%)
1. The gas-phase reaction between methane and diatomic sulfur is given by the equation：
CH4 (g) + 2S2 (g)  CS2 (g) + 2H2S (g)
At 550 C the rate constant for this reaction is 1.1 L/mol.s and at 625 C the rate constant is 6.4
L/mol.s. Using these values, calculate Ea for this reaction.
-3-
(5%)
國立彰化師範大學105學年度第1學期學士班轉學生招生考試試題
系所：
化學系
科目：
普通化學
年級：
☆☆請在答案紙上作答☆☆
二年級
共 4 頁，第 4 頁
2. Draw the five structural isomers of hexane (C6H14).
(5%)
3. Use the MO model to predict the magnetism and bond order of the NO+.
(5%)
4. The Co(NH3)63+ ion is diamagnetic, but Fe(H2O)62+ is paramagnetic. Explain.
(5%)
5. For the decompose of ozone 2O3(g)  3O2(g)
The reaction involves the following elementary reactions
k1
O3 
O2  O
'
k1
O2  O 
O3
k2
O  O3 
O2  O2
'
k2
O2  O2 
O  O3 (very slow)
assume pre - equilibriu m condition
 k1' O2 O  k 2 OO3   k1' O2   k 2 O3 
2k1k 2 O 3 
'
k1 O 2 
2
Please prove that the decomposition rate of O3 
6. (A) Write the Lewis structure for each molecule
(10%)
(5%)
PH3, SCl2, HI, CH4, SBr2
(B) Draw the Lewis structure for HCSNH2 (The carbon and nitrogen atoms are bonded together
and the sulfur atom is bonded to the carbon atom.) and identify the hybridization orbital of
the C, S, and N atoms
(5%)
-4-