- Continued 22 Answer All Parts Of This Question A What Are The Four Criteria That Need To Be Fulfilled In Order Fo 1 (131.79 KiB) Viewed 31 times
continued... 22. Answer ALL parts of this question. (a) What are the four criteria that need to be fulfilled in order fo
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continued... 22. Answer ALL parts of this question. (a) What are the four criteria that need to be fulfilled in order fo
continued... 22. Answer ALL parts of this question. (a) What are the four criteria that need to be fulfilled in order for a compound to be aromatic? (No examples or illustrations are required). (2 marks) (b) The structures of benzene and cycloheptatriene are shown below in Figure Q22(b): II benzene cycloheptatriene Figure Q22(b) Explain why the first of these is regarded as aromatic while the second is not. (6 marks) (c) Benzene can be converted to bromo-benzene using a mixture of Brz/FeBr3 and AlCl3, as shown below in Figure Q22(c): Br Br2/FeBr 3 AICI 3 Figure Q22(c) Draw the structure of the electrophile that is involved in this electrophilic aromatic substitution reaction and give a balanced equation to show its formation. (2 marks)
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