Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exam 04-BS-12, Organic Chemistry — May 2015. 3 hours, closed-book examination; any non-communicating (non-programmable) calculator permitted. Answer ALL FIVE problems; each problem is of equal value (20 points), and the lettered sub-parts of a given problem may be treated independently.
Reference texts: McMurry, Organic Chemistry, 9th ed. (functional-group nomenclature, electrophilic addition and Markovnikov's rule, alkene stability/substitution, catalytic hydrogenation, electrophilic aromatic substitution and the Friedel–Crafts acylation mechanism, diazonium chemistry, combustion).