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OHCH 3OGOA It gives white fumes of HCl with PCl 5 .B It gives a yellow precipitate with aqueous alkaline iodine.C It gives an orange precipitate with 2,4-dinitrophenylhydrazine.D It gives a violet colouration with neutral FeCl 3 solution.HCI/PRELIM 2009/P1/Q2626 Which of the isomers of C 6 H 14 O 2 gives, on complete dehydration, the greatestnumber of isomers, including stereoisomers?OHOHACH 3 CH 2 CH CH CH 2CH 3OHOHBCH 3 C C CH 3CH 3CH 3OHOHCCH 3 CH CH 2 CH CH 2CH 3OHOHDCH 3 CH CH 2CH 2CHCH 3HCI/PRELIM 2009/P1/Q2727 A compound U has all the following properties:- It is neutral.- It gives a silver mirror with Tollens' reagent.© SAJC Chemistry Unit 2009 36
- It decolourises a hot aqueous solution of acidified KMnO 4 with evolution of CO 2gas.What could U be?A COCH 3BCHOCD CH(OH)CH 3OCH 3C OCH(OH)CH 3OCH 3CH 2 CHOOHHCI/PRELIM 2009/P1/Q2828 Which reaction yields a carbon compound incorporating deuterium, D? [D = 2 H]ACH 3 CH 2 CNNaODD 2 OB CH 3 CD 2 OH acidified KMnO 4heatC CH 3 COCH 3LiAlD 4dry etherD (CH 3 ) 3 COH conc. D 2SO 4heatHCI/PRELIM 2009/P1/Q2929 The sesquiterpene lactone, M, extracted from sunflowers, was studied todetermine its anti-tumour potency.CH 3 CO 2CH 3OOOCH 2NNHOCH 3© SAJC Chemistry Unit 2009 37
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Page 22 and 23: CJC/PRELIM 2009/P1/Q3030 A useful o
Page 24 and 25: JJC/PRELIM 2009/P1/Q2020. The struc
Page 26 and 27: JJC/PRELIM 2009/P1/Q2424. Which com
Page 28 and 29: JJC/PRELIM 2009/P1/Q2828. Compound
Page 30 and 31: DHS/PRELIM 2009/P1/Q2323 A student
Page 32 and 33: DHS/PRELIM 2009/P1/Q2727 What is th
Page 34 and 35: OH 3 COCH 3OH 3 COHow many stereois
Page 38 and 39: How many moles of dilute NaOH are r
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Page 44 and 45: NJC/PRELIM2009/P1/Q23Which sequence
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Page 68 and 69: CH(OH)CH 3D+ alkaline aqueous iodin
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Page 78 and 79: VJC/PRELIM2009/P1/Q19The hydride io
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Page 82 and 83: VJC/PRELIM2009/P1/Q26Compound X is
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MCQ - Section BACJC/PRELIM 2009/P1/
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3 The enthalpy change of hydrogenat
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2 (C 2 H 5 ) 2 NH3 (C 2 H 5 ) 3 NDH
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HCI/PRELIM 2009/P1/Q3939 Compound F
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2CONH 2CH 2 OHNH 23OH, , ,OHNJC/PRE
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2 It reacts with metallic sodium3It
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Which statements about pravastatin
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YJC/PRELIM2009/P1/Q40© SAJC Chemis
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