4.1 Beskou die krakingsreaksie hieronder - NSC Physical Sciences - Question 4 - 2023 - Paper 2
Question 4
4.1 Beskou die krakingsreaksie hieronder.
C₁₈H₃₄ ⟶ C₆H₁₄ + C₆H₁₂ + 2CyH₂
4.1.1 Definieer kraking.
4.1.2 Skryf die waardes neer wat deur x, y en z in die vergelyki... show full transcript
Worked Solution & Example Answer:4.1 Beskou die krakingsreaksie hieronder - NSC Physical Sciences - Question 4 - 2023 - Paper 2
Step 1
Definieer kraking.
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Kraking is die chemiese proses/reaksie waarin langer kettingkoolwaterstofalkane molekules afgebroke word in korter (meer nuttige) molekules.
Step 2
Skryf die waardes neer wat deur x, y en z in die vergelyking hieronder verteenwoordig word.
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In die vergelyking word die waardes van x, y, en z soos volg verteenwoordig:
x=12
y=2
z=4
Step 3
Gebruik MOLEKULÈRE FORMULES en skryf die gebalanseerde vergelyking vir hierdie reaksie neer.
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Die gebalanseerde reaksie kan geskryf word as:
ightarrow 12CO_{2} + 14H_{2}O$$
Step 4
Definisie van posisie-isomere.
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Posi-sie-isomere is verbindinge met dieselfde molekulêre formule, maar wat verskillende posisies van die side chain / substituente / funksionele groepe op die stamketting het.
Step 5
Tipe reaksie wat deur reaksie I verteenwoordig word.
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Reaksie I verteenwoordig 'n addisiereaksie, waar 'n HCl molekule aan die alkene gebind word.
Step 6
STRUKTURELE formule van verbinding B.
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Die strukturele formule van verbinding B kan voorgestel word as:
CH₃-CH₂-CH(Cl)-CH₃
Hierdie formule illustreer die halogeen substituent in die alkane.
Step 7
Anorganiese reagens vir reaksie III.
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Die anorganiese reagens vir reaksie III is H₂O (water), wat optree as 'n produkaan.
