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Question 4 ) Show two alkenes that could be used with HCl to synthesise 3-chlorohexano. Which of these alkenes is most suitable? Explain your reasoning using mechanistic diagrams to support your answer. (5 Marks) Predict the product from the following reaction by drawing and explain the mechanism of reaction. Account for the stereochemical outcome observed. G H20/8,0 ? (6 Marks) (c) The synthesis of primary amines via the azide synthesis offers a major advantage over alternative routes. Identify compound A and B below. What major advantage does the azide route offer over other routes to the formation of primary amines? را 1. LAR 2. H.) B (4 marks) (d) Starting with an aromatic amine identify the reagents you would use to prepare the following azo compound via an ao coupling reaction. Explain how you would perform the synthesis with the reagents you have chosen (Show reagents and products/intermediates of each step. Mechanism not required). (Note we will cover this topie in our last lecture on Reactions of Amines) -NH HO, no SO,