Gebruik die vloeidiagram hieronder en antwoord die vrae wat volg - NSC Technical Sciences - Question 4 - 2020 - Paper 2
Question 4
Gebruik die vloeidiagram hieronder en antwoord die vrae wat volg.
A
B
C
Bromoetaan
4.1 Skryf die NAAM of TIPE reaksie neer wat deur die volgende letters ver... show full transcript
Worked Solution & Example Answer:Gebruik die vloeidiagram hieronder en antwoord die vrae wat volg - NSC Technical Sciences - Question 4 - 2020 - Paper 2
Step 1
4.1.1 A
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Answer
Die tipe reaksie is 'Addisie/hidrasie'.
Step 2
4.1.2 B
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Die tipe reaksie is 'Addisie/hidrolisingharing'.
Step 3
4.1.3 C
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Answer
Die tipe reaksie is 'Substitusie/Halogenering'.
Step 4
4.2.1 Ander reagens (reaktans)
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Die ander reagens wat benodig word is 'H2O'.
Step 5
4.2.2 Katalisator
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Die katalisator wat benodig word is 'Verdunde swaelsuur (H2SO4) of fasfosforiese suur (H3PO4)'.
Step 6
4.3
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Die gebalanseerde chemiese vergelyking vir reaksie B is:
C2H4+HBr→C2H5Br
Step 7
4.4
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Twee reaksietoestande vir reaksie C is:
Moderner/warm temperatuur.
Geen water (gebruik H2SO4 + NaBr/HBr).
Step 8
4.5
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Die gebalanseerde vergelyking vir die reaksie is:
C2H4+3O2→2CO2+2H2O+energiestoestand
Step 9
4.6
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