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Q1— Section header —
Q1— Section header —
1.1(2\ (2\ (2\ (2\ (2\ (2\
1.7(2\
1.8(2\
1.9(2\ .10 (2\ [20]20
Q2— Section header —
Q2— Section header —
2.1.1(1\
2.1.2Marking criteria/ Nasienriglyne Functional group correct. Funksionele groep korrek ethyl substituent etielsubstituent Whole structure correct:
2.2.1
2.2.3Marking criteria/ Nasienriglyne Whole structure correct:/ Hele struktuur korrek: Only functional group correct/ Slegs funksionele groep korrek Max:
2.2.2Pentan one/3 pentanone Pentan oon/3 pentanoon Marking criteria/ Nasienriglyne Functional group and correct position
2.3.1
2.3.2methylbutan methyl butanol metielbutan metiel butanol Marking criteria/ Nasienriglyne methyl
2.3.3methylbut ene methyl butene metielbut een metiel buteen Marking
Q3— Section header —
Q3— Section header —
3.1Marking guidelines/ Nasienriglyne he underlined key phrases must be used in the CORRECT CONTEXT (pressure/boiling ie onderstreepte
3.2\ have same molecular mass /formulae/number of carbon and drogen atoms /are (chain\ isomers en \ het dieselfde
4.2Marking guidelines/ Nasienriglyne Name type of IMFs in pentanal Noem tipe IMK e in P/pentanaal
4.1Haloalkane/ alkyl halide Haloalkaan/alkielhalied (1\
4.2.1Elimination/ dehydrohalogenation Eliminasie/dehidrohalogenering (1\
4.2Substitution/hydrolysis Substitusie/hidrolise
4.2Esterification/condensation Esterifikasie/kondensasie /verestering (1\
4.3.1(Mild\ /Heating (matige\ hitte/ verhitting Dilute strong base\/ Verdunde sterk basis\ NaOH/KOH/LiOH
3.2Propan propanol Marking criteria/ Nasienriglyne: Correct stem and f unctional group i.e. propanol Korrekte stam en funk
4.4Marking criteri Nasienriglyne Whole structure correct Hele struktuur korrek Only functional group correct/ Slegs funksionele groep korrek:
4.5POSITIVE MARKING FROM
4.3.2ONLY IF THE COMPOUND IN Q4.3.2 IS AN ALCOHOL. / POSITIEWE NASIEN VANAF
4.3.2SLEGS NDIEN DIE VERBINDING IN Q4.3.2 ALKOHOL IS.
4.5.1Marking criteria Nasienriglyne Whole structure correct Hele struktuur korrek: Only functional group correct/ Slegs funksionele groep korrek:
5.2Concentrated ulphuric acid (Gekonsentreerde swawelsuur (1\ 3] QUESTION VRAAG Exothermic Eksotermies
5.2rate/ tempo = 0,06 (0,0583 OR/ rate/ tempo = 0,06 (0,0583
6.1The stage in a chemical reaction when the rate of forward reaction equals the rate of reverse reaction Die stadium in chemiese reaksie wanneer die tempo van die voorwaartse reaksie gelyk is aan die tempo van die terugwaartse reaksie
6.2.2POSITIVE MARKING FROM POSITIEWE NASIEN VANAF
6.2.1n(C\ reacted reageer n(CO reacted reageer 1,22 mol m(C\ nM
6.3Decreases/ Afneem When pressure is increased the reaction that leads to the smaller amount/ number of moles/ volume
6.4.1Endothermic/ Endotermies When the temperature increases the mol /percentage CO(g\/product increases /forward reac tion is favoured Wanneer die temperatuur
6.4.2POSITIVE MARKING FROM
6.2.1POSITIEWE NASIEN VANAF
6.2.1Marking guidelines/ Nasienriglyne Calculate total vo lume /mol of gas at equilibrium Bereken totale volume
Q7— Section header —
Q7— Section header —
7.1Strong (acid\ terk (suur\ Large root value/ waarde / (HBr\ ionises completely
7.3.1Marking guidelines Nasienriglyne Formula/ Formule /n = cV Substitution of/ Vervanging van: 0,5
7.3Marking guidelines/ Nasienriglyne Calculate Bereken n(HBr\ initial aanvanklik : substitute vervang
7.3.1POSITIEWE NASIEN VANAF
7.3.1OPTION 1 OPSIE 1 HBr initial begin = cV = (0,45\(0, = 0, 405
Q8— Section header —
Q8— Section header —
8.1Chemical to electrical Chemies na elektries Provides path for movement of ions./ Completes the circuit./Ensures electrical neutrality in the cell. /Restore charge balance. Verskaf pad vir beweging van ione./Voltooi die stroomb
8.5.1Reaction reached equilibrium./(In each half cell\ the r ate of oxidation is equal to rate of reduction./Rate of the forward reaction is equal to th e rate of the reverse reaction. Reaksie bereik e wewig./
8.5.2Increases Toeneem (1\
8.5.3-] decreases neem Forward reaction is favoured. Voorwaartse reaksie word bevoordeel. (2\
Q9— Section header —
Q9— Section header —
9.1Marking guidelines/ Nasienriglyne If any one of the underlined key phrases in the correct context is omitted, deduc t 1 mark./ Indien enige van die onderstreepte frases in die korrekte konteks
9.2.1(g\+ 2OH (aq\ Ignore phases/ Ignoreer fases Marking guidelines/ Nasienriglyne (g\ 2OH (g\ 2OH (aq\
9.2.2Water/ H (1\ O is a stronger oxidising agent than Na and will be reduced (to H O is
Q10— Section header —
Q10— Section header —
10.1.1Hydrogen/ Waterstof (1\
10.1.2Nitrogen monoxide Stikstofmonoksied /NO (1\
10.1.3Nitric acid/ Salpetersuur /HNO (1\
2.1(Catalytic\ oxidation/Redox/ (Katalitiese\ oksidasie/Redoks (1\
10.2.2Bal Notes/ Aantekeninge Reactants Products Balancing Reaktanse Produkte Balansering Ignore double arrows
10.3.1(Total\ percentage of nutrients/fertiliser/ N,P, Totale persentasie nutrient / kunsmis/N,P, K (1\