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  • October 12, 2024
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GRADE/GRAAD 12


PHYSICAL SCIENCES: CHEMISTRY (P2)
FISIESE WETENSKAPPE: CHEMIE (V2)

NOVEMBER 2022

MARKING GUIDELINES/NASIENRIGLYNE


MARKS/PUNTE: 150




These marking guidelines consist of 19 pages.
Hierdie nasienriglyne bestaan uit 19 bladsye.




Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

,Physical Sciences P2/Fisiese Wetenskappe V2 2 DBE/November 2022
NSC/NSS – Marking Guidelines/Nasienriglyne



QUESTION 1/VRAAG 1

1.1 B  (2)

1.2 D  (2)

1.3 C  (2)

1.4 C  (2)

1.5 A  (2)

1.6 C  (2)

1.7 D  (2)

1.8 D  (2)

1.9 A  (2)

1.10 A  (2)
[20]

QUESTION 2/VRAAG 2

2.1
2.1.1 C&D (1)

2.1.2 Functional/Funksionele  (1)

2.1.3 CnH2n-2  (1)

2.1.4 Hydroxyl (group)/Hidroksiel(groep)  (1)
2.2
2.2.1 4-bromo-3,3-dimethylhexane/4-bromo-3,3-dimetielheksaan 
Marking criteria:
 Correct stem i.e. hexane. 
 All substituents (bromo and dimethyl) correctly identified. 
 IUPAC name completely correct including numbering, sequence, hyphens and
commas. 
Nasienkriteria:
 Korrekte stam d.i. heksaan. 
 Alle substituente (bromo en dimetiel) korrek geïdentifiseer. 
 IUPAC-naam heeltemal korrek insluitende nommering, volgorde, koppeltekens
en kommas.  (3)




Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

, Physical Sciences P2/Fisiese Wetenskappe V2 3 DBE/November 2022
NSC/NSS – Marking Guidelines/Nasienriglyne



2.2.2 4,4-dimethylpent-2-yne/4,4-dimethyl-2-pentyne 
4,4-dimetielpent-2-yn/4,4-dimetiel-2-pentyn
Marking criteria/Nasienkriteria:
 Correct stem and substituents: dimethyl and pentyne 
Korrekte stam en substituente: dimetiel en pentyn
 IUPAC name completely correct including numbering, sequence, hyphens and
commas. 
IUPAC-naam heeltemal korrek insluitende nommering, volgorde, koppeltekens
en kommas. (2)

2.2.3 Butanal/Butanaal  Marking criteria/Nasienkriteria:
 Correct functional group: -al /
Korrekte funksionele groep: –aal 
 IUPAC name correct/IUPAC-naam
korrek  (2)

2.3
2.3.1 Esterification/condensation 
Esterfikasie/verestering/kondensasie (1)

2.3.2 M(C3H6O) = 58 g·mol-1 Marking criteria/Nasienkriteria:
 C6H12O2 
 C2H4O2 
ii  If only correct answer given 
Indien slegs korrekte antwoord gegee
= =2

Compound S = C6H12O2 
C2H4O2 
NOTE/LET WEL
 Condensed or structural formula/Gekondenseerde of struktuurformule:
Max./Maks. ⁄ (3)
[15]




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