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objective
1. C
2. A
3. A
4. B
5. C
6. C
7. A

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objective 8

8.C (CH₃)₂C=C(CH₃)2

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objective 9-13

9. B  2-chloro-2-methylbutane
10. B  KMnO₄/OH⁻, room temperature
11. C  this is an electrophilic substitution reaction
12. B  produce an electrophile
13. D  all of them

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objective 14-20
14. C
15. B
16. A
17. B
18. C
19. C
20. A
tanya Daus

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soalan 1.a)

correct IUPAC name:
isopropylcyclohexane

explanation:
- ehtane can't be the parent chain because ethane is not the longest continuous carbon chain.

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soalan 1.b)

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soalan 1.c)i)

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soalan 1. c)ii)

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Soalan 2

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soalan 2.a)

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soalan 2.b). i & ii

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Soalan 2.b. iii & iv

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soalan 3.(a)
Explanation:
- A and D has higher boiling point than B and C because A and D has straight carbon chain while B and C has branch carbon chain.
- A and D has larger surfaca area and stronger van der waals force than C and D.
- More energy needed to overcome the strong van der waals forces in A and D than B and C.
- A has higher boiling point than D because A has larger surface area than D.
- C has higher boiling point than B because C has larger surface area than B.

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soalan 3.b)
i.G: CH3CH2CH2CH2Br
H: CH3CH=CHCH3
I: CH3CH2CH2COOH
ii.G = halogen     H = carbon-carbon double bond
iii.

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soalan 4.a)
P : 2-penthanone
Q : Phenylpropanone
R : Benzaldehyde
S : 3-phenylpropanal
T : Cyclohexane

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soalan 4.b)
Aldehyde
• R and S

Ketone
•P, Q and T

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soalan 4.c)
i- Tollen’s reagent ➡️ Aldehydes ( R,S)
ii- Iodine in an alkaline solution ➡️ (P,Q,)

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soalan 4.d)
Aldehyde (R,S)

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soalan 4.e)
Compound R

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soalan 4.f)

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soalan 4.g)

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1. C - 6
2. D - electrophilic substitution
3. C - HOC(CH₂CH₃)₃

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4. C- 4 isomers
5. A- the homolytic fission of Br-Br bonds in the bromine molecules
6. D - 2-pentene

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Iman
7.B
8.B
9.C
10.D
11.C
12.A
13.B

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14.B
15.C
16.B
17.C
18.A
19.C
20.C

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Cis trans isomer for cyclic compound

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SET 2
SECTION B
1.(A) Why given name is incorrect according to IUPAC nomenclature is because it does not choose the longest continuous chain of C atoms as the parent name

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1.(B)

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1.C

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i) IUPAC name of D :
3-methylhexene
ii) Type of reaction :
- Electrophilic addition
iii)

iv) Rule used to determine the products :
- Markovnikov’s rule

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Chemical test : baeyers test
Reaction :
Observation : Purple colour of KMnO4 decolourised and brown precipitate of MnO2 is formed

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i) State Saytzeff’s rule :

Used to determine major product by observing the most highly substituted alkene.
ii)
iii) IUPAC name of main product :
2,3-dimethyl-2-pentene

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Soalan 3

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Soalan 3.a

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Soalan 3.b. i & ii

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Soalan 3.c

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4a)

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4b)

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4c)

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4c)

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TEST YOURSELF 70-OBJ-Q

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Q1-12

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1.C isomer
2.D petroleum
3.A alkanes
4.B
5.A
6.A
7.B CnH2n+2
8.C methane
9.D stable
10.A saturated hydrocarbons
11.A CH₃C(CH₃)₂CH₂CH₃
12.C CH₃CH₂CH(CH₃)CH₂CH₃

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Q13-24

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13. A oxygen
14. C cyclohexane
15. B C₂H₆
16.
17. B cycloalkanes
18.
19.
20.
21. B halogenation of alkanes
22. B (CH3)₄C
23. A I and II
24. C homolytic fission of Br-Br bond

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Q25-37

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25.B
26.B
27.B
28.B
29.A
30.B
31.A
32.A
33.B
34.C
35.A
36.D
37.D

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Q38-43

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38.c
39.D
40.D
41.C
42.B
43.D

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Q44-53

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44. B
45. C
46. B
47. C
48. C
49. A
50. B
51. B
52. A
53. C

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ANSWER

54. A
55. B
56. B
57. A
58. B

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Q59-67

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59. b
60. D
61. C
62. A
63. C
64. B
65. A
66. C
67. A

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Q68-70

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68.A
69.C
70.A

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Sila drop nama masing2 bawah komen untuk kehadiran 20 mac 2020
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3. NURSYAHIRA NADIA BINTI ABD HALME
4. Nor Mazleen bt Mokhtar
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7. Maryam Nurdina Sofia bt Muhammad Zulkhairi
8. Nur Fatihah bt Anuar
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10.Alissa Nur Yasmin bt ABD Ghaffar
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12.Nadzira bt Abdul Gani
13.Muhammad Firdaus bin Azman😭😭😭
14. Emilya Nazurah bt Md Ghani

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20 objective Q

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Objectives answer :
1.D
2.B
3.D
4.C
5.C
6.C
7.A
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.

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Subjectives Q

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2)a)

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2)b)

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1b

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1c

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2a

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2b

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2b ii)

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3

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4