1. Standard electrode potential (SEP) for Fe³⁺/Fe²⁺ electrode, equilibrium constant (Kc) derivation, Kc units. 2. Ethyl ethanoate hydrolysis, first-order reaction kinetics, HCl concentration effect, rate equation and constant. 3. Transition element reactions: oxidation, reduction, ligand exchange, acid-base, precipitation, catalysis. 4. Aluminum mass percentage in alloys, hydrogen production via NaOH, stoichiometric calculations. 5. Nitrogen reactivity, NOx formation, environmental effects, amine basicity comparison with ammonia. 6. Organic pharmaceutical intermediate synthesis, reaction types, reagents, isomeric structure identification.