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Question 4 (11) 4.1 Give the mechanism (show all the steps and the flow of electrons using curved arrows) of the following reaction: (3) CI H2C=CHCH3 + HCI H3CCHCH3 4.2 Consider the following energy diagram for the conversion AG: (8) ) D B F Energy A E G Reaction coordinate 4.2.1 Which points on the graph correspond to transition states? 4.2.2 Which points on the graph correspond to reactive intermediates? 4.2.3 How many steps are present in the reaction mechanism? 4.2.4 Which step will be rate-determining? Why