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Q1— Section header —
1.1(2\ (2\ (2\ (2\ (2\ (2\ (2\ (2\ (2\
2.1(1\
2.2.1bromo chloro methylpentane bromo chloro metielpentaan broom chloor metielpentaan
2.2.2thene / Eteen (1\
2.3.1Marking criteria Nasienriglyne: Six saturated C at oms in longest chain i.e. hexane. Ses versadigde C atome in langste ketting d.i. heksaan. Three methyl substituents on
2.3.2Marking criteria Nasienriglyne: Whole structure correct Hele struktuur korrek Only functional group correct / Slegs funksionele groep korrek: Notes
3.1ANY ONE / ENIGE EEN Alkanes have ONLY single bonds Alkane het SLEGS enkelbindings Alkanes have
3.2.1ANY ONE / ENIGE EEN: OH (1\
3.2.2Marking criteria Nasienriglyne: OH group on second C atom of longest chain. groep op tweede C atoom van langste ketting. Tertiary group consisting of four C atoms with methyl group on 2nd C atom
3.3.1Criteria for investigative question Riglyne vir ondersoekende vraag: The dependent and independent variables are stated. Die afhanklike en onafhankl ike veranderlikes is genoem.
3.2
4.1.1ubstitution chlorination / halogenation Substitus ie / chlorering / halogenering / halogenasie (1\
4.1.2ubstitution / hydrolysis Substitusie / idrolise (1\
4.2.1Hydrogenation Hidrogenasie / Hidrogenering (1\
4.2.2Notes Aantekeninge Ignore/ Ignoreer Accept H con densed. Aanvaar H as gekondenseerd.
4.4sterification Condensation Verestering / Esterifikasie / Kondensasie (1\
4.4(Co ncentrated\ (Concentrated\ sulphuric acid (Gekonsentreerde\ / (Gekonsentreerde\ swawelsuur of swa elsuur (1\
4.4.3Marking criteria Nasienriglyne: Whole structure correct Hele struktuur korrek Only functional group correct / Slegs funksionele groep korrek:
4.4.4Propyl ethanoate Propieletanoaat (2\ Sulphuric acid / H Phosphoric acid / H Swawelsuur / Swaelsuur / H / Fosforsuur /
5.1ONLY ANY ONE SLEGS ENIGE EEN VAN hange in concentration of products / reactants
5.2.1Temperature Temperatuur (1\
5.2.2Rate of reaction Volume of gas (formed\ per unit time Reaksiet empo Volume gas
5.3arger mass / amount / surface area. Groter massa hoeveelheid / reaksieoppervlak. ore effective collisions per unit time
5.4Marking criteria Nasienriglyne: Compare Exp.1 with Exp. 2: Vergelyk sp. 1 met Eksp. 2: The reaction in
5.5Marking criteria Nasienriglyne: Divide volume by Deel volume deur : 25,7 Use r atio Gebruik v erhouding
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 terugwaar
6.2CALCULATIONS USING NUMBER OF MOLES BEREKENINGE WAT GETAL MOL GEBRUIK Mark allocation Puntetoekenning: Correct K expression ( formulae in square brackets Korrekte K uitdrukking (
6.3oncentration of the gases increases / Molecules become more condensed or move closer to each other. Konsentrasie (van die gasse\ verhoog. / Molekule word meer saamgepers of beweeg nader aan mekaar. (1\
3.2ncrease in pressure favours the reaction that le ads to smaller number of mol / volume of gas Toename in druk bevoordeel die reaksie wat tot die kleiner getal mol /
6.4Darker Donkerder (1\ ecrease Ver laag (1\ [16] ratio16
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7.1.1Ionises dissociates completely (in water\ Ioniseer dissosieer volledig (in wate Nitrate ion Nitraatioon
7.1.3pH = log[H log[H log(0,3\ = 0,52 Notes/ Aantekeninge: If no/incorrect formula/ Indien geen/foutiewe
7.2.1(3\
7.2.2Burette / Buret (1\ Titration of strong acid and strong base Titrasie van sterk suur en sterk basis OR/
7.2.5n = 4,2 x mol in oormaat = n(NaOH\ = 4,2 x 10 mol (3\
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8.1Pressure mosphere (atm\ kPa 101 / 1,01 x 10 Pa Druk
8.3.1Salt bridge Soutbrug (1\ (1\
8.3+ 2e Marking guidelines Nasienriglyne: + 2e + 2e + 2e + 2e (2\
8.4.1POSITIVE MARKING FROM QUESTION
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8.4.2Exothermic Eksotermies 19
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9.1Electrolytic Elektrolities (1\
9.2Notes Aantekeninge: IF more than TWO electrodes, mark first two ndien meer as TWEE ele trodes, sien eerste twee na.
9.3.1/ chlorine gas chloor
9.3.2(ions\ / copper(II\ ions / Cu / copper(II\ chloride (ion oper(II\ ione / Cu koper(II\chloried
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Q10— Section header —
10.1.1Nitrogen / N Stikstof Hydrogen / H Waterstof Bal. Notes Aantekeninge: Reactants Products
10.2Marking criteria Nasienriglyne: Use ratio gebrui k verhouding: 20 kg x 36 / 36 %