- 23 Answer All Parts Of This Question A Apart From Being Cyclic And Planar There Are Two Other Criteria A Compound H 1 (197.51 KiB) Viewed 44 times
23. Answer ALL parts of this question. (a) Apart from being cyclic and planar, there are two other criteria a compound h
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23. Answer ALL parts of this question. (a) Apart from being cyclic and planar, there are two other criteria a compound h
23. Answer ALL parts of this question. (a) Apart from being cyclic and planar, there are two other criteria a compound has to meet if it is to be described as aromatic. State both of these (no examples or illustration are required). (2 marks) (b) The structures of naphthalene and cycloheptatriene are shown below: naphthalene cycloheptatriene Explain why the first of these is regarded as aromatic while the second is not. (4 marks) (c) Benzene can be converted to an alkyl derivative, using a mixture of CH3CHCICH3 and AlCl3: CH3CHCICH AICI: alkyl benzene (i) What is the structure of the electrophile that forms in this reaction? (1 mark) (ii) Show the mechanism of the reaction between the electrophile and benzene, hence indicating what the structure of the alkyl benzene product will be. (3 marks)
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