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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
Posted: Wed Apr 27, 2022 6:20 am
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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 1 (131.79 KiB) Viewed 33 times
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)