Page 14 - Modul A+1 Kimia Tingkatan 5

11. Sebatian karbon yang manakah terbakar menghasilkan A C H 6
3
paling banyak jelaga? B C H 8
3
Which of the following carbon compound burns to produce C C H OH
7
3
the most soot? D C H COOH
[Jisim atom relatif/ Relative atomic mass: H=1; O=16; 2 5
C=12]

Kertas 2 Paper 2

Bahagian A/ Section A

1. Rajah 1.1 menunjukkan situasi di dalam sebuah makmal sains sekolah.
Diagram 1.1 shows a situation in a school science laboratory. Bab 2

Propil etanoat.
Cikgu, sebatian itu berbau Propyl ethanoate.
seperti buah pir. Apakah
nama bagi sebatian?
Teacher, that compound smells
like pear. What is the name of
the compound?

Rajah/ Diagram 1.1
Berdasarkan Rajah 1.1:/ Based on Diagram 1.1:
(a) (i) Nyatakan siri homolog bagi propil etanoat.
State the homologous series for propyl ethanoate.
Ester/ Ester
[1 markah/ mark]

(ii) Nyatakan satu sifat fizik lain bagi propil etanoat.

©PAN ASIA PUBLICATIONS
State one other physical properties of propyl ethanoate.
Tidak larut di dalam air // Kurang tumpat daripada air
Insoluble in water // Less dense than water
[1 markah/ marks]

(iii) Propil etanoat boleh disediakan melalui pengesteran. Nyatakan nama alkohol dan asid karbosilik yang boleh
digunakan untuk menghasilkan propil etanoat melalui pengesteran.
Propyl ethanoate can be prepared by esterification. State the names of alcohol and carboxylic acid that can be used to
produce propyl ethanoate by esterification.
Alkohol/ Alcohol: Propanol/ Propanol
Asid karboksilik/ Carboxylic acid: Asid etanoik/ Ethanoic acid
[2 markah/ marks]

(iv) Tuliskan persamaan kimia bagi tindak halas di(a)(iii).
Write the chemical equation for the reaction at (a)(iii).
CH COOH + C H OH → CH COOC H + H O
3
2
7
3
7
3
3
[2 markah/ marks]
(b) Rajah 1.2 menunjukkan formula struktur suatu alkena
Diagram 1.2 shows the structural formula of an alkene.
H
H C H
H H
H C C C C H
H H H
Rajah/ Diagram 1.2

101