Question

Question 2 (24 pts.) For the following reactions A and B a) Add the curved arrows that indicated bo acid/base and whether they are also Brensted acids/bases b) Draw a reaction energy diagram for both ON THE SAME DIAGRAM, clearly indicating which is which, and draw the TRANSITION SATES for each reaction and indicate their positions on the diagrams ol On the diagram, indicate the activation energy and the endo- or exothermicity as appropriate for each reaction and give a brief explanation for your choice of endothermic or exothermic nd breaking/making and indicate the Lewis H-B + OH H-B + OH H-B-OH

Answer 1

Reaction A is highly energetic and energetically disfavored due to formation of BH2- which is unstable

Reaction B is less energetic and energetically favorable due to formation of BH3-OH- ion in which the central atom get octet of electrons

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