(接A)
選擇題(3%*10=30%)
1.The reaction of A forming C is found to be through the intermediate B.
Which of the following conditions where [B] can be treated via a
steady-state approach? k1 k2
A ←→ B → C
k-1
(a)k-1 >> k1 (b)k-1 + k2 >> k1 (c)K1 + k2 >> k-1 (d)k2 >> k-1
(e)k2 >> k1 (f)k1 + k-1 >> k2 (g)none of above
(多選題)
2.Estimate typical hydrogen bonding energy
(a)<1 kcal/mol (b)3-10 kcal/mol (c)15-20 kcal/mol (d)>20 kcal/mol
(e)1-3 kcal/mol
3.For a given volume, which of the following shapes has the smallest surface
(a)cube (b)tetrahedron (c)pyramid (d)octahedral (e)sphere
4.Which method may generally decrease the conductivity of a semiconductor
(a)decreasing the temperature (b)adding an impurity
(c)irradiating with (d)decreasing the energy gap (e)none of tghe answers
5.What type of carbohydrates that human stores the energy in?
(a)fructose (b)sucrose (c)cellulose (d)starch (e)glycogen
6.Which of the following compound does not exhibit visible color?
(a)Cu(NH3)4Cl2 (b)[Sc(NH3)6]Cl3 (c)[Co(NH3)6]Cl3 (d)[Fe(H2O)6]Cl2
(e)[Cr(H2O)6]Cl3
7.Which of the following amino acids is not optical active?
(a)Cysteine(C3H7NO2S) (b)Alanine(C3H7NO2) (c)Valine(C5H11NO2)
(d)Glycine(C2H5NO2) (e)none of above
8.Based on the phase diagram shown below, which statements are correct?
Pressure
↑ B
│ ‧ C
│A ╲E ‧
│‧ ‧╯
│ ─╯ D
│ ──╯‧F ‧
└────────→ Temperature
1.Sublimation occurs at a point in the transformation along a straight line
from point A to point F.
2.C and E represent points where the gas and liquid phases are in
equilibrium.
3.ΔHvap can be measured at point B.
4.Molecules at point D have a greater average kinetic energy than those at
point F.
5.The temperature at point E is called the critical temperature of the
compound.
(a)2,5 (b)1,3,4 (c)1,2,3 (d)2,4,5 (e)1,2,4
9.A certain complax ion has a distorted octahedral strusture in which the
ligands along the positive and negative z axes are compressed (pushed in
closer to the central metal ion). What is the d orbital splitting diagram
for this complex ion?
(a) ── (b) ── (c)── ── (d)── ── ──
dz2 dx2-y2 dxz dyz dxy dxz dyz
── ── ── ── ──
dx2-y2 dz2 dxy dz2 dx2-dy2
── ── ── ──
dxz dyz dxy dz2
── ── ── ──
dxy dxz dyz dx2-y2
(e)── ──
dxz dyz
──
dxy
──
dz2
──
dx2-y2
10.Which of the following are structural isomers?
i)coordination isomers,ii)linkage isomers,iii)geometric isomers,
iv)optical isomers
(a)i,iii (b)ii,iv (c)i,iii,iv (d)ii,iii (e)i,ii
P.S.老師會注明題目出處以表示均為上課範圍。
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