Papers included in this bank - ASKnLearn

OHNHCH 3NHYWhich of the following statement(s) is/are true about Y?1 It gives white fumes with CH 3 COCl.2 It dissolves in both aqueous acids and alkalis.3 The nitrogen-containing group in the ring has a lower pK b than thenitrogen-containing group in the side chain.HCI/PRELIM 2009/P1/Q3737 In which of the following reactions is the reactive carbon tetrahedral in the organicintermediate?1 CH 4 + Cl 2uv2 HCHO + HCNtrace KCNCH 3 Cl + HClCH 2 (OH)CN3+ Cl 2AlCl 3Cl+ HClHCI/PRELIM 2009/P1/Q3838 Which statements about the complete combustion of an alkene, C n H 2n , in oxygen arecorrect?1 The volume of oxygen required is directly proportional to the number of carbonatoms present in the molecule.2 The volume of gas produced at 25 C is the same as for the completecombustion of an alkane with the same number of carbon atoms per molecule.3 At 120 C, the volume of steam produced is always twice the volume of carbondioxide.© SAJC Chemistry Unit 2009 99