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CH(OH)CH 3D+ alkaline aqueous iodine followed by acidificationCOCH 3SAJC/PRELIM2009/P1/Q28The diagram represents a section of a catalytic converter on the exhaust system of acar. Harmful gases are converted into carbon dioxide, nitrogen and water vapour.COHydrocarbonsNO xCO 2H 2 ON 2Platinum and Rhodium catalystWhich statement about the catalytic convertor is not true?ABCDNO x are reduced to N 2 by the excess CO present.Cars fitted with a catalytic converter may run on leaded petrol.Platinum and rhodium catalyse redox reactions.Platinum and rhodium are coated on a ceramic honeycomb structure so as tomaximise surface area.H 2 N C COOHSAJC/PRELIM2009/P1/Q29The amino acids lysine and glutamine can react with each other to form peptidelinkages.HHH 2 N C COOHCH 2 CH 2 CH 2 CH 2 NH 2 CH 2 CH 2 CONH 2lysine glutamineWhat is the maximum number of different compounds, each containing one peptidelinkage that can be formed from one molecule of lysine and one molecule of glutamine?A 2B 3© SAJC Chemistry Unit 2009 68
C 4D 5SAJC/PRELIM2009/P1/Q30X possesses a chiral centre and forms a zwitterion. Which one of the following structurescould X be?AH 3 COHNH 2COOHBHOOCNH 2CH 2 OHCHOH(CH 3 )CNO 2DHONH 2CHCOOHSRJC/PRELIM2009/P1/Q22Identify the number of sp 2 and sp 3 hybridised carbon atoms in the givenstructure:H H OC C C Hsp 2 sp 3A 2 5B 3 4C 8 5© SAJC Chemistry Unit 2009 69
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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 36 and 37: OHCH 3OGOA It gives white fumes of
Page 38 and 39: How many moles of dilute NaOH are r
Page 40: MI/PRELIM 2009/P1/Q28A sequence of
Page 44 and 45: NJC/PRELIM2009/P1/Q23Which sequence
Page 47 and 48: NJC/PRELIM2009/P1/Q29Which syntheti
Page 49 and 50: NYJC/PRELIM2009/P1/Q23Which one of
Page 51 and 52: AOCOCH 3BCH 2 OCOCH 3CCOOCH 2 CH 3D
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
Page 66 and 67: CH 3HO (CH 2 ) 4 CH 3CH 3 - O (CH 2
Page 70 and 71: D 9 4SRJC/PRELIM2009/P1/Q23Which of
Page 72 and 73: CH 2 CH 2 CO 2 H│(CH 3 ) 2 CHCH(N
Page 74 and 75: TPJC/PRELIM2009/P1/Q20TPJC/PRELIM20
Page 78 and 79: VJC/PRELIM2009/P1/Q19The hydride io
Page 80 and 81: VJC/PRELIM2009/P1/Q24Which process
Page 82 and 83: VJC/PRELIM2009/P1/Q26Compound X is
Page 84 and 85: YJC/PRELIM2009/P1/Q18YJC/PRELIM2009
Page 90 and 91: MCQ - Section BACJC/PRELIM 2009/P1/
Page 92 and 93: 3 The enthalpy change of hydrogenat
Page 94 and 95: CJC/PRELIM 2009/P1/Q3939 Which of t
Page 96 and 97: eaction is involved?1 nucleophilic
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
Page 102 and 103: 2CONH 2CH 2 OHNH 23OH, , ,OHNJC/PRE
Page 104 and 105: 2 It reacts with metallic sodium3It
Page 106 and 107: PJC/PRELIM2009/P1/Q40© SAJC Chemis
Page 110 and 111: SAJC/PRELIM2009/P1/Q40Compound Q, w
Page 114 and 115: Which statements about pravastatin
Page 116: YJC/PRELIM2009/P1/Q40© SAJC Chemis
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