CIE Mar 2016 v2 Paper 4 Q1

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Answer all the questions in the spaces provided. PMT (a) Complete the diagrams to show the energies of the electrons in a carbon atom, a C+ ion and a C ion. increasing energy1s carbon atom 1sC+ ion 1sC ion [2] (b) One of the simple molecular allotropes of carbon is buckminsterfullerene, C60. buckminsterfullerene (i) What is the hybridisation of the carbon atoms in C60?[1] (ii) C60 reacts with an excess of hydrogen to form a single product, C60Hx. Using your answer to (i), suggest a suitable value for x.[1]UCLES 2016 9701/42/F/M/16<br /> PMT (c) Methylbenzene can undergo different reactions to form the products shown below. CH2Cl CH3 reaction 1 reaction 2 CH3 Cl methylbenzene (i) Give the reagents and conditions for these two reactions. reaction 1reaction 2[2] (ii) Name the mechanism of reaction 1.[1] (iii) Draw the structure of the product obtained if reaction 1 is carried out using an excess of chlorine. [1] [Total: 8]UCLES 2016 9701/42/F/M/16 [Turn over<br />

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