1. 92
15 F A-NET ( )
(1) 24Cr 29Cu F F
F
24Cr 29Cu
1. [Ar] 4s2
3d4
[Ar] 4s1
3d10
2. [Ar] 4s2
3d4
[Ar] 4s2
3d9
3. [Kr] 5s1
4d5
[Kr] 5s1
4d10
4. [Ar] 4s1
3d5
[Ar] 4s1
3d10
(2) F 60 2 F F F F 27
F ˈ F
1. 26 28 2. 33 33 3. 31 35 4. 32 33
(3) (Lattice energy)
1. NaCl 2. MgO 3. CaCl2 4.AlF3
(4) 6 bonding electrons
1. C2H4 2. CO2 3. H2S 4. NCl3
(5) F F F
1. C6H5NH2 2. C6H5CO2Na 3. CH3CH (OH) CH3 4. CH3CH (NH2) CO2H
(6) ˈ lattice energy XY
1. X (s) + Y(s) → XY(s) 2. X (g) + Y(g) → XY (s)
3.
+
)s(X +
−
)s(Y → XY (s) 4.
+
)g(X +
−
)g(Y → XY (s)
(7) F F
F (nm)
1. A -1 0.181
2. B +1 0.169
3. C +2 0.065
4 D +2 0.135
(8) 10 m3
ˈ 50 kPa 30 m3
ˈ 100 kPa F F
F ˈ F
1. 75 kPa 2. 87.5 kPa 3. 125 kPa 4. 150 kPa
(9) F ˈ (the enthalpy change of formation of a compound)
1. 2H2(g) + O2(g) → 2H2O(g) 2. Na(s) + Cl(g) → NaCl(s)
3. H2O(l) + NaCl(s) → NaCl (aq) 4. K(s) + Mn (s) + 2O2 (g) → KMnO4 (s)

2. 93
(10) ∆H F
(1) .CO(g) +
2
1
O2(g) → CO2(g) ∆H1 = -283 kJ.mol-1
(2) .H2(g) +
2
1
O2(g) → H2O(l) ∆H2 = -286 kJ.mol-1
(3) .CH3OH(l) +
2
3
O2(g) → CO2(g) 2H2O(l) ∆H3 = -715 kJ.mol-1
∆H CO(g) + 2H2(g) → CH3OH (l)
1. -146 kJ.mol-1
2. -140 kJ.mol-1
3. +140 kJ.mol-1
4. +146 kJ.mol-1
(11) F F ˈ
CaCl2 (aq) + 2NaOH(aq) → 2NaCl (aq) + Cd (OH)2(s)
NaOH F F 0.10 F 9.0 cm3
CdCl2 F F 1.00 F
500 cm3
F Cd (OH)2 ( Cd = 112.4, O = 16, H = 1)
1.
10002
146.40.109.0
×
××
2.
509
146.40.109.02 ×××
3.
1000
146.40.109.0 ××
4.
1000
146.40.109.02 ×××
(12) F ˈ F
1. CaCO3 (s) + 2HCl(ag) → CaCl2 (aq) + CO2 (g) + H2O (l)
2. CuS(s) + O2 (g) → Cu(s) + SO2 (g)
3. Hg(NO3)2(aq) + H2S (g) → HgS(s) + 2HNO3 (aq)
4. 2NaOH(aq) + H2SO4(aq) → Na2SO4 (aq) + 2H2O(l)
(13) I, II, III IV F

3. 94
F F
F I II III IV
1 F
2 F
3 F
4 F
(14) F ˈ F F 1 4 F F
ˈ
1. 2, 3 2. 2, 7 3. 2, 8, 2 4. 2, 8, 8, 1
(15) F 4 F F 500 cm3
ˈ F
1. A 2. B 3. C 4. D
(16) F F 25o
C (298 K) 101.3 kPa
1. 1.0 2. 1.0 3. 1.0 4. 1.0
(17) thorium chloride ˈ ThCl4 ammonium chromite ˈ NH4CrO2 F ˈ
thorium chromite
1. ThCrO2 2. Th2CrO2 3. Th (CrO2)4 4. Th (CrO2)2
(18) 69
Ga 68.9 71
Ga 70.9 F
69.7 F 69
Ga ˈ F
1.
9.689.70
9.687.69
−
−
= 0.40 2.
9.689.70
7.699.70
−
−
= 0.60
3.
7.699.70
9.68
+
= 0.49 4.
9.707.699.68
9.68
++
= 0.33
(19) papaverine F impotence F F 70.75% , 6.25% ,
4.13% 18.87% F papaverine 339.2
papaverine F
1. C20H21NO4 2. C20H11NO2 3. C20H23N2O3 4. C17H30NO5
I1 = 744 , I2 = 1457 , I3 = 7739 , I4 = 10547

4. 95
(20) F ˈ F 2, 2-dimethyl-3-elthyl hexane
1.
3
23
3223
3
CH
CHCH
CHCHCHCHCCH
CH
−−−−−
2.
33
323
3
CHCH
CHCHCCHCH
CH
−−−−
3.
3
32
323
3
CH
CHCH
CHCHCCHCH
CH
−−−−
4. CH3 CH2 CH2 CH2 CH CH2 CH2 CH2 CH3
CH3
(21) E F ˈ E2O3 F E ˈ F
1. Mg 2. Al 3. Si 4. P
(22) F
1. −216
8 O 2. F19
9 3. Na23
11 4. +327
13 Al
(23) F
+ 2Ag+
+ 2Ag(s) + 2H+
OH
OH
O
O

5. 96
1. 2. Ag+
3. 4. Ag
(24) F F 0.100 F 1.00
F F 0.100 F 1.00 F F ˈ F
1. 0.0500 mol L-1
2. 0.100 mol L-1
3. 0.150 mol L-1
4. 0.200 mol L-1
(25) F F 71.0 F F ( Cl = 35.5)
1. 24.5 273 K 101.3 kPa 2. 6.02 x 1023
3. 2 4. 2
(26) 5.0 F F 1.00 F 20 cm3
F F F ( Zn = 65)
1. 0.00 g 2. 0.65 g 3. 3.70 g 4. 4.35 g
(27) F
H OH O
H C C C
H H OH
˅ ˈ F
F
1. CH2O C3H6O3
2. CH2O (CH2O)n
3. C2H4O2(OH) C3H4O3
4. (CH2O)n CH2O
(28) F 0.25 F ˈ F
1. 0.50 2. 0.25 3. 3.01 x 1023
4. 1.51 x 1023
(29) F (allotropes)
1. 14
C 12
C 2. 1 2-
3. Fe2+
Fe3+
4. O2 O3
O
O
OH
OH

6. 97
(30) F :-
F 5.85 F F ˈ 250 F
F F F F ( Na = 23, Cl = 35.5)
1.
1000
250
58.5
5.85
2.
250
1000
58.5
5.85
3.
58.5
5.85
1000
250
4.
1000
250
5.85
58.5
(31) ʽ F
1. Cu + H2SO4 → CuSO4 + SO2 + H2O 2. Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O
3. Cu + 2H2SO4 → Cu (SO4)2 + SO2 + 2H2O 4. 2Cu + H2SO4 → Cu2SO4 + SO2 + H2O
(32) F F F F 32800 Jg-1
F F kJ mol-1
F F F
( C=12)
1. 394000 2. 394 3. 32.8 4. 2.73
(33) pH = 3.0 F F F F
1. 3.0 mol L-1
2. 1.0 x 10-3
mol L-1
3. 1.0 x 10-11
mol L-1
4. 3.0 x 10-14
mol L-1
(34) F 1000 F 50.0 65o
C F
ˈ (kPa)
1. 35.69 kPa 2. 1408.6 kPa 3. 2000 kPa 4. 2005.9 kPa
(35) F ˈ (N2H4) F N2O4
F F
∆ o
fH (kJmol-1
)
H2O (l) -285
H2O (g) -242
N2H4(l) +51
N2H4(g) +95
N2O4 (l) -20
N2O4(g) +10
F ∆H0
F
1. +968 kJ 2. -968 kJ 3. +1050 kJ 4. -1050 kJ
2N2H4(l) + N2O4(l) → 3 N2(g) + 4H2O (g)

7. 98
36. F
(kJ mol-1
) 298 K
C C 348
C = C 614
C H 413
H H 436
∆ Ho
1. +124 kJ 2. -124 kJ 3. 2702 kJ 4. 2826 kJ
F F F F 37 39
F F F F F F kJ mol-1
F
Ca2+
(g) + 2Cl-
(g)
+1743 X -2249
Ca(g) 2Cl(g)
Y +192 +242
Ca(s) + Cl2(g) CaCl2(s)
-798
(37) Y
1. 2.
3. 4.
(38) CaCl2 (s) F
1. Ca(g) +
2
1
Cl2 (g) → CaCl(s) ∆H = -798 kJ 2. Ca(s) + Cl2(g) → CaCl2(s) ∆H = -2249 kJ
3. Ca(s) + Cl2(g) → CaCl2(s) ∆H = -798 kJ 4. Ca2+
(g) + 2Cl-
(g) → CaCl2(s) ∆H = -2249 kJ
(39) F F (Hess s law) ∆H X F kJ mol-1
1. -726 kJ mol-1
2. -363 kJ mol-1
3. +726 kJ mol-1
4. +242 kJ mol-1
(40) F ˈ
F F (AgCl) Ksp = 2.0 x 10-10
F F (Ag2CO3) Ksp = 8.0 x 10-12
C2H4 (g) + H2 (g) → C2H6 (g)

8. 99
F F F
1. AgCl F F Ag2CO3 2. Ag2CO3 F F AgCl
3. AgCl F F Ag2CO3 4. AgCl Ag2CO3 F F F
(41) F F F 40 F F F 0.10 F AgCl F F
1. 2 x 10-10
mol dm-3
2. 2 x 10-9
mol dm-3
3. 1.4 x 10-5
mol dm-3
4. 1.26 x 10-4
mol dm-3
(42) F ˈ
H2(g) + CO2 (g) H2O(g) + CO(g)
F (K) F 0.60 900 K F 2.0 F 2.0 F
F F 1.0 F F F F
F F 900 K ˈ F
1. 0.60 mol dm-3
2. 0.87 mol dm-3
3. 1.20 mol dm-3
4. 1.74 mol dm-3
(43) F ˈ F 0.287 ʽ
F F F F F Fe2+
F
F F F F F 0.103 F F F
F 9.84 cm3
ˈ
F F F ( H = 1, O = 16, Fe = 55.85, Mn = 55)
1. 0.28 2. 1.40 3. 14.0 4. 28.3
(44) 4 F
F ˈ F
1. HA 2. HB 3. HC 4. HD
(45) ˈ
F F
1. 24 2. 25 3. 27 4. 76
Fe2+
+ MnO4
-
+ 8H+
→ Fe3+
+ Mn2+
+ 4H2O

9. 100
(46) E
E F
1. 1 F
2. F ECl4
3. F F
4. F F F F F
F F F F 47-49
F F F 1 ˈ
(47) 5 (COMPOUND 5)
1. 1 butanol 2. butanoic acid 3. 1 bromobutane 4. 1 butene
(48) F 2 3
1. ʾ 2. F 3. F 4.
(49) F ˈ REACTION III
1. CH3CH2CH2CO2CH2CH2CH3 CH3CH2CH2COOH + CH2CH2CH2CH2OH
2. CH2CH2CH2CH2OH CH3 CH2 CH = CH2 + H2O
3. CH3CH2CH2COOH + HBr → CH3CH2CH2COOH2
+
+ Br-
4. CH3CH2CH2CH2OH + HBr → CH3CH2CH2CH2Br + H2O
2 , 8 , 4
H2SO4
Heat
H2O
H+

10. 101
(50) ˈ
F
1. 20 2. 40 3. 60 4. 80
(51) ˈ F ˈ
C6H5COOH C6H5COO-
+ H+
pH F F 0.100 F 20.0 cm3
F F F 0.200 F C F F F
cm3
1. 0.002 2. 0.01 3. 10 4. 100
(52) F F
(white powder) F F ˈ F F F F F
1. BaCl2, SrCl2, RbCl, CsCl 2. MgCl2 , CaCl2, LiCl, RbCl
3. MgCl2, BaCl2, RbCl 4. NaCl, MgCl2, BaCl2

11. 102
(53) F F F F F F
F F F F F F F F ˈ F
F F
1. ˈ F F F
2. ˈ
3. F
4. ˈ F F
(54) ˄ ˈ , F
F ˈ F F
F ˈ F ˂ F
F F F
. ˈ ˄
. ˄ ˈ Al (OH)3
. F F ˈ F
. F ˂ F
F F
1. F 2. F 3. , F 4. , ,
Al (s) | Al3+
(aq) ,OH-
(aq) | O2(g) (over graphite electrode)
F F ˈ F (salt bridge)

12. 103
(55) F
F F F
F F
1. , 2. , 3. , 4. , ,
(56) X + Y→ XY F
ˈ F
1. I 2. II 3. III 4. IV
(57) F 46 F X Y ˈ F XY ˈ F XY F X Y F
1. I 2. II 3. III 4. IV
. A A H2
. A F F F CO , F F CH3OH
. F F F
. F F F F F F F

13. 104
(58) F (Orange juice) ˈ
F 20 (mL) C F C ( H = 1,
C = 12, O = 16)
O H OH
O = C C C H
C = C CH2OH
HO OH
1. 4.6 × 10-4
mol 2. 4.6 × 10-5
mol 3. 8.1 × 10-4
mol 4. 8.1 × 10-5
mol
(59) F F
H O
HO CH2 C C
NH2 OH
(Tyrosine : Tyr)
H O
H C C
NH2 OH
(Glycine : Gly)

14. 105
F ˈ F Tyr Gly
O O
1. NH2 CH2 C NH CH C
CH2 OH
O
OH
O O
2. NH2 CH2 C O O CH2 CH - C
NH2 OH
O
3. HO O CH2 CH2 CH CH NH O C CH2 MH2
COOH
O
4. HO O CH2 CH C O
NH2 NH CH2 C
OH
(60) F ˈ F F
I II F F III IV F F
F I II III IV
1
2 F
3
4
F F
ʽ
F
(PVC)
I
III IV
II

15. 106
15 F A-NET ( )
F 1 F 4
F 2 F 3 =
2
AA 21 +
= 60
A1 + A2 = 120
p1 + n1 + p2 + n2 = 120
27 + n1 + 27 + n2 = 120
∴ n1 + n2 = 66
F F F
F 3 F 4
F 4 F 4 H H
C = C
H H
12 bonding electrons
O = C = O
4 bonding electrons
4 bonding electrons
6 bonding electrons
F 5 F 1 C6H5NH2
ˈ F F
F 6 F 4 F F F
F 7 F 3 (∆Hhyd.) F
F 8 F 2 = 10 + 30 = 40 m3
P1 = 50
40
10
× = 12.5 kPa
P2 = 100
40
30
× = 75 kPa
∴ = P1 + P2 = 12.5 + 75 = 87.5 kPa
F 9 F 4 ∆Hf F 1 25o
C
1 atm
Cl
N
Cl Cl
S
H H
NH2

16. 107
F 10 F 2
(1) .CO(g) +
2
1
O2(g) → CO2(g) ∆H1 = -283 kJ.mol-1
(2) x 2 2H2(g) + O2(g) → 2H2O(l) ∆H2 = -572 kJ.mol-1
(3) .CO2(g) + 2H2O(l) → CH3OH(l) +
2
3
O2(g) ∆H3 = +715 kJ.mol-1
(1) + (2) + (3) CO(g) + 2H2(g) → CH3OH (l)
∆H = -283 572 + 715 kJ.mol-1
= -140 kJ.mol-1
11. F 1
mol Cd (OH)2 =
2
1
mol NaOH
146.4
x
=
1000
9x0.10
x
2
1
∴ F Cd (OH)2 =
2x1000
46.49.0x0.10x1
12. 2
+2 -2 0 +4
CuS (s) + O2(g) Cu (s) + SO2(g)
F F ˈ F
13. F 1 I ˈ F
II ˈ F ˈ
III ˈ
IV ˈ F
14. F 3 F F I2 I3
F F 2
15. F 3 F pH F F F pH F
(C6H5COOH) ˈ F F
16. F 2 ˈ F ˈ (monatomic molecule)
1 F F
17. F 3 Th4+
+ CrO2 ˂ ˈ F Th (CrO2)4

17. 108
18. F 2 F 69
Ga
=
9.689.70
7.699.70
−
−
= 0.60
19. F 1 C20H21NO4 = (12x20)+(1x21)+(1x14)+(4x16) = 339
F F F 339.2
20. F 4 F F F F
CH3
CH3 C CH CH2 CH2 CH3
CH3 CH2CH3
2,2- dimethyl 3 ethyl hexane ˈ F F 4
21. F 2 E ˈ Al F Al2O3 E2O3
F
22. F 2 1.
−216
8 O = 8+2 = 10
2. F19
9 = 9
3. Na23
11 = 11
4.
+327
13 Al = 13 3 = 10
23. F 2 Ag+
+ e-
Ag
24. F 3 KNO3 = 0.100 x 1 = 0.100 mol ∴
−
3NO = 0.100 mol
Ca(NO3)2 = 0.100 x 1 = 0.100 mol ∴
−
3NO = 2 x 0.100 = 0.200 mol
[ ]−
3NO = 1
mol.L0.150
2
0.300
2
0.2000.100 −
==
+
25. F 3 1 mol Cl2
= 2 mol Cl
= 2 x 6.02 x 1023
= 22.4 dm3
at STP
= 2 x 35.5 g
= 71 g
26. F 4 Zn + 2HCl ZnCl2 + H2
mol Zn =
2
1
mol HCl
1000
20x1
x
2
1
65
x
=
∴ x = 0.65 g Zn = 5.00 0.65 g = 4.35 g
27. F 1 C3H6O3
ˈ F F CH2O

18. 109
28. F 3 1 mol CaCl2 F = 2 mol Cl
= 2 x 6.02 x 1023
0.25 mol CaCl2 F = 0.25x2x6.02x1023
= 3.01 x 1023
29. F 4 O2 O3 ˈ
30. F 1 [NaCl] =
ˈ
NaCl
=
1000
250
58.5
5.85
F
31. 2 ˈ F F F F
Cu + 2H2SO4 CuSO4 + SO2 + 2H2O
32. F 20 F F F F kJ, mol-1
= 1
kJ.mol
1000
32800x12 −
= 393.6 kJ.mol-1
= 394 kJ.mol-1
( )
33. F 3 pH = 3
∴ [H3O+
] = 10-pH
= 10-3
mol.dm-3
[OH-
] = 3
14
10
10
−
−
= 1.0 x 10-11
mol.dm-3
mol.L-1
34. F 4 PV = nRT = RT
M
g
.
= kPax2005.9
28.02x50
x3381000x8.134
35. F 4 ∆H0
= ∑∆ 0
fH (products) - ∑∆ 0
fH (reactants)
= [4(-242) + (3x0) [(2x51)+(-20)] kJ
= -1050kJ
36. F 2 ( )
= (1x614) + (4x413) + (1x436)
= 2702 kJ
F ( )
= (1x348) + (6x413)
= 2826 kJ
∆H0
= + 2702 2826 = -124 kJ

19. 110
37. F 1 ˈ F
38. F 3 CaCl2 (s) Ca (s) Cl2(g)
39. F 2 (2x+2249)-(192+242+1743) = 798
2x = -726
∴ x = - 363 kJ. mol-1
40. F 2 Ksp AgCl = [Ag+
]2
[Cl-
]
2.0 x 10-10
= x2
∴ x = 1.414 x 10-5
mol.dm-3
Ksp Ag2CO3 = [Ag+
] [CO3
2-
]
8x10-12
= x2
.x = x3
∴ x = 2 x10-4
mol.dm-3
Ag2 CO3 F F AgCl
41. F 2 ksp = [Ag+
] [Cl-
]
2x10-10
= (x) (0.10)
∴ k =
1.0
10x2 10−
= 2x10-9
mol.dm-3
42. F 2 K =
][CO][H
[CO]0][H
22
2
0.60 = 2
2
)x2(
x
−
∴ x = 0.87 mol.dm-3
43. F 2 5Fe2+
+ MnO4 + 8H+
5Fe2+
+Mn2+
+ 4H2O
mol MnO4 = x0.103
1000
9.84
= 1.01 x 10-3
mol
mol Fe2+
= 5 x 1.01 x 10-3
x 55.85 = 0.283 g
% Carbon = 1.40x100
0.287
0.2830.287
=
−
44. F 2 HB H+
F ˈ F
45. F 1 F peak F 24
46. F 2 E ˈ F 4A 3 F F
ˈ E4+
+ Cl-
= ECl4
47. F 4 F 1 butyl butanoate 2
1 butanol 3 butanoic acid 4 1 bromobutane
5 1 butene
48. F 3 F F F F
49. F 4 2 ˈ F (ROH) HBr F RBr + H2O
50. F 4 F F 800
C

20. 111
51. F 3 C6H5COOH + NaOH C6H5 COONa + H2O
C1V1 = C2V2
0.10 x 20 = 0.20 x V2
∴ V2 = 3
cm10
0.20
0.10x20
=
52. F 3 F Mg, Ba Rb
F ˈ MgCl2, BaCl2 RbCl
53. F 3 ˈ F F
54. F 4 F F ˈ F F
55. F 3 F ( ), ( ) ( ) F F ( ) ˈ F F F
56. F 4 IV F F F F F
57. F 2 II F F F F F
58. F 2 F 200 C
= mot
176
81x10 3−
∴ F 20
C = molx10
176
81
x
200
20 3−
= 4.6 x 10-5
mol
59. F 4
HO - CH2 CH C OH+H NH CH2 C OH F F F 4
NH2
60. F 3 I ˈ n CH2 = CH2 [-CH2-CH2]n
II ˈ n CH2 = CH [-CH2-CH]n
III C2H4 + H2O C2H5OH
IV C2H5OH + O2 CH3COOH + H2O
Cl
O
O O
Cl