OCR A Specimen Paper 2 Q16

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13 SECTION B Answer all the questions. 16 Methyl allyl chloride, MAC, is a chemical used in the production of insecticides. The structure of MAC is shown below. MACDraw the skeletal formula of MAC. Give the molecular formula of MAC. Specimen (iii) MAC has several structural isomers. State what is meant by structural isomers. [1] [1] (a) (i) (ii)(b) MAC is highly flammable. When MAC burns, one of the products formed is a toxic gas. [1] 1.321 g of this gas occupies 1.053 dm3 at 100 kPa and 350 K. Use the information provided to suggest the identity of the gas.OCR 2014 H432/02 gas =[4] Turn over<br /> (c) The flowchart below shows some reactions of MAC. 14 H2 / Ni Reaction 1 HCl MAC Compound B (minor product) (i) Complete the flowchart above.Draw the structure of the product of Reaction 1.Draw the structure of the minor organic product of Reaction 2 (Compound B). (ii) Reaction 2 creates a mixture of compounds. Compound A is the major product. Reaction 2 Compound A (major product) Specimen Draw the mechanism for the formation of compound A. Use curly arrows and show relevant dipoles.OCR 2014 H432/02 [2] [3]<br /> 15 (iii) Explain why compound B is the minor product of Reaction 2.. (iv) MAC reacts with water in the presence of AgNO3(aq) and ethanol. Draw the structure of the organic product of this reaction. State what you would observe in this reaction and identify the compound responsible for the observation. [1] . . [2] SpecimenOCR 2014 H432/02 Turn over<br /> (d) Compound A reacts slowly in humid conditions to form compound C. 16 humid air Compound C Compound A Compound C contained the following percentage composition by mass: C, 46.1%; H, 7.7%; O, 46.2% The infrared spectrum of compound C is shown below. SpecimenOCR 2014 H432/02<br /> 17 Using the information on the previous page, deduce the structure of compound C. Give your reasoning. . . . . . . . . . . Specimen structure = [5]OCR 2014 H432/02 Turn over<br />

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