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CH 3HO (CH 2 ) 4 CH 3CH 3 - O (CH 2 ) 4 CH 3OHStep IO -H 2 CC CH 3H 2 CC CH 3CannabisStep IIHOOC(CH 2 ) 2 O (CH 2 ) 4 CH 3CH 3O(CH 2 ) 2 COOHH 2 CC CH 3Which of the following reagents can be used to prepare compound W?WStep IStep IIA Na 2 CO 3 CH 2 (OH)CH 2 COOHB NaOH CH 2 ClCH 2 COOHC Na CH 2 (OH)CH 2 CH 2 COOHD NaOH CH 2 ClCH 2 CH 2 COOHSAJC/PRELIM2009/P1/Q26When propene reacts with Br 2 in the presence of excess aqueous KNO 3 , what are thetwo major products formed?HHHHHHA H C C CHand H C C CHHBrBrHOH BrHHHHHHB H C C CHand H C C CHHHBrHOH Br© SAJC Chemistry Unit 2009 66
H H HH H HC H C C C H and H C C C HH Br HH Br OHDH H HH H HH C C C H and H C C CH BrH OH BrONO 2HSAJC/PRELIM2009/P1/Q27Which of the following reactions would not produce 1,3-dicarboxylic acid?CHOA+ Fehling's solution followed by acidificationCHOBHCCH 2 CH 3+ hot acidified potassium manganate (VII)COOCH 3CNC+ aqueous H 2 SO 4 , refluxCOOCH 3© SAJC Chemistry Unit 2009 67
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23 A mixture of amino acids can be
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Page 34 and 35: OH 3 COCH 3OH 3 COHow many stereois
Page 36 and 37: OHCH 3OGOA It gives white fumes of
Page 38 and 39: How many moles of dilute NaOH are r
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Page 47 and 48: NJC/PRELIM2009/P1/Q29Which syntheti
Page 49 and 50: NYJC/PRELIM2009/P1/Q23Which one of
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Page 53: PJC/PRELIM2009/P1/Q21PJC/PRELIM2009
Page 56 and 57: PJC/PRELIM2009/P1/Q25© SAJC Chemis
Page 58 and 59: PJC/PRELIM2009/P1/Q27PJC/PRELIM2009
Page 60 and 61: RIJC/PRELIM2009/P1/Q19RIJC/PRELIM20
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Page 78 and 79: VJC/PRELIM2009/P1/Q19The hydride io
Page 80 and 81: VJC/PRELIM2009/P1/Q24Which process
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Page 84 and 85: YJC/PRELIM2009/P1/Q18YJC/PRELIM2009
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Page 92 and 93: 3 The enthalpy change of hydrogenat
Page 94 and 95: CJC/PRELIM 2009/P1/Q3939 Which of t
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Page 98 and 99: 2 (C 2 H 5 ) 2 NH3 (C 2 H 5 ) 3 NDH
Page 100 and 101: HCI/PRELIM 2009/P1/Q3939 Compound F
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Page 114 and 115: Which statements about pravastatin
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YJC/PRELIM2009/P1/Q40© SAJC Chemis
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