Page 75 - Hybrid PBD 2022 Tg 5 - Kimia

Kimia Tingkatan 5 Bab 4

Kertas 2

Bahagian A
1. Jadual 1 mengandungi maklumat untuk dua polimer dan monomer yang menghasilkan polimer tersebut.
Table 1 contains some information about two polymers and the monomers from which they are made.
Nama polimer Formula struktur monomer Formula struktur polimer
Name of polymer Structural formula of monomer Structural formula of polymer
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(i) Polipropena (ii)
Polypropene
H CH 3 H CH 3
& & & &
C " C ! C ! C !!
& & & &
H H H H n

Politetrafluoroetena (iii)
Polytetrafluoroethene
F F F F
& & & &
C " C ! C ! C !
& & & &
F F F F n

Jadual 1 / Table 1
(a) Lengkapkan Jadual 1.
Complete Table 1. [3 markah / 3 marks]
(b) (i) Terangkan makna istilah polimer.
Explain what is meant by the term polymer.
Molekul sangat besar yang dihasilkan daripada gabungan banyak unit berulang yang dipanggil

monomer melalui proses pempolimeran.
Very large molecules that are formed from many repeating units known as monomers through the polymerisation process.

[1 markah/ 1 mark]

(ii) Kedua-dua polimer dalam Jadual 1 dihasilkan melalui pempolimeran penambahan. Terangkan
polimer jenis ini.
Both of the polymers in Table 1 are produced by addition polymerisation. Describe this type of polymers.
Polimer ini dibentuk oleh tindak balas antara monomer yang mengandungi ikatan ganda dua.

The polymers are formed by a reaction between monomers that contain a double bond.

[1 markah/ 1 mark]

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