Page 16 - Get Ready SPM 2022 Tg 5 - Matematik

Kimia Tingkatan 5 Jawapan
• Gambar rajah berlabel/Labelled 2. (a) (i) Sebatian organik yang Bahagian B
diagram: mengandungi atom hidrogen 3. (a) • Sebatian yang mengandungi
dan atom karbon sahaja.
A karbon sebagai unsur juzuknya.
Organic compounds containing Compounds that contain carbon as
only hydrogen and carbon their constituent element.
atoms.
Kuprum (ii) Alkena/Alkene Sebatian tak
tak tulen Kuprum Sebatian organik organik
(iii) C 2 H 4 , C 3 H 6
Impure copper tulen (b) Mentol tidak menyala kerana Organic Inorganic
Larutan Pure sebatian R terdiri daripada compound compound
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copper
kuprum(II) molekul neutral.
sulfat Bulb does not light up because • Asid etanoik, • Natrium
Copper(II) sulphate CH 3 COOH bikarbonat,
solution compound R consists of neutral Ethanoic acid,
molecules. Na 2 CO 3
• Setengah persamaan/Half- (c) (i) C 6 H 12 + 6O 2 → 6CO 2 + 6H 2 O CH 3 COOH Sodium
equation: (ii) 1 mol C 6 H 12 bertindak balas • Etanol, bicarbonate,
Na 2 CO 3
2+
Anod/Anode: Cu → Cu + 2e ‒ menghasilkan 6 mol CO 2. C 2 H 5 OH • Karbon dioksida,
Katod/Cathode: Cu + 2e → Cu 1 mole of C 6 H 12 reacts to form Ethanol,
2+
‒
(c) • Andi tidak akan mendapat 6 moles of CO 2 . C 2 H 5 OH CO 2
aluminium dengan kaedah ini. \ 0.5 mol C 6 H 12 bertindak Carbon dioxide,
Andi cannot get aluminium with balas menghasilkan 3 mol CO 2
this method. CO 2 .
• Aluminium lebih reaktif \ 0.5 mole of C 6 H 12 reacts to (b) • P – Prop-1-ena/Prop-1-ene
berbanding dengan karbon. form 3 moles of CO 2.
Aluminium is more reactive than Isi padu gas/Volume of gas
carbon. = 3 × 22.4
• Karbon tidak akan bertindak = 67.2 dm 3
balas dengan aluminium oksida.
Carbon will not react with • Q – Prop-1-una /Prop-1-yne
aluminium oxide.
• Aluminium patut diekstrak P Q R
daripada aluminium oksida Siri homolog
dengan kaedah elektrolisis. Homologous Alkena Alkuna Alkana
Aluminium should be extracted series Alkene Alkyne Alkane
from aluminium oxide using
electrolysis method. Ikatan ganda Ikatan ganda Ikatan tunggal
Kumpulan dua antara atom tiga antara atom antara atom
Ujian 4 berfungsi karbon karbon karbon
Functional group Double bond Triple bond Single bond
Kertas 1 between carbon between carbon between carbon
atoms atoms atoms
1. A 2. B 3. B 4. C 5. C
6. B 7. B 8. A 9. D 10. C Kekonduksian Tidak dapat mengkonduksikan elektrik dalam semua
elektrik keadaan
Kertas 2 Electrical Cannot conduct electricity in all states
conductivity
Bahagian A
1. (a) (i) Ikatan ganda dua antara (c) (i) • Kumpulan berfungsi Jisim parasetamol dalam
atom karbon/Double bond Functional group: satu tablet/Mass of
between carbon atoms Ikatan ganda dua antara paracetamol in one tablet
(ii) H H atom karbon//Hidroksil// = 1
& & Amida 2
H!C#C!C!C!H (Mana-mana dua) = 0.5
Mol
parasetamol/Mole
& & Double bond between paracetamol of
H H carbon atoms//Hydroxyl// 0.5
Amide
(b) (i) Metanol/Methanol (Any two) = 151
(ii) • Siri homolog/Homologous = 0.003 mol
H H H series: 4. (a) • Formula am yang sama
& & & Alkena//Alkohol (Mana- The same general formula
H!C!C!C!H mana satu) • Kumpulan berfungsi yang sama
& & & Alkene//Alcohol (Any one) The same functional group
OH H H (ii) Jisim molekul relatif • Sifat kimia yang sama
parasetamol/ Relative The same chemical properties
atau / or molecular mass of paracetamol • Ahli yang berturutan berbeza
= (12 × 8) + (16 × 2) + sebanyak satu atom karbon dan
H H H (14 × 1) + (1 × 9) dua atom hidrogen (CH 2 atau
& & & = 151 jisim molekul relatif =14)
H!C!C!C!H Consecutive members differ
& & & by one carbon atom and two
H OH H hydrogen atoms (CH 2 or relative
molecular mass = 14)
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