IB Chemistry SL
Reactivity 3
IB Chemistry SL lessons and exam-style practice covering acids, bases and redox processes.
Lessons in this unit
Work through the topics in order.
R-3.1.1 & 3.1.2& 3.1.3 Bronsted-Lowry acids and bases & conjugate pairs
IB Chemistry SL lesson covering Brønsted–Lowry acids and bases, proton transfer, conjugate acid–base pairs and species that can act as both.
R-3.1.4 Acid base reactions and the pH scale
IB Chemistry SL lesson covering the pH scale, hydrogen ion concentration, pH calculations and methods of measuring pH.
R-3.1.5 & 3.1.6 Acid–Base Equilibria: Strength, Ionization & Kw
IB Chemistry SL lesson covering Kw, acid–base equilibria, extent of ionization, acid and base strength, and conjugate acid–base pairs.
R-3.1.7 Neutralization reactions
IB Chemistry SL lesson covering neutralization reactions, salt formation and reactions of acids with oxides, hydroxides, carbonates and hydrogencarbonates.
R-3.1.8 PH curves
IB Chemistry SL lesson covering pH curves for strong acid–base neutralizations, initial pH, equivalence points and curve interpretation.
R-3.2.1 Oxidation and reduction
IB Chemistry SL lesson covering oxidation, reduction, electron transfer, oxidation states and oxidizing and reducing agents.
R-3.2.2 Half equations
IB Chemistry SL lesson covering oxidation and reduction half-equations, electron transfer and equations in acidic or neutral solutions.
R-3.2.3 & 3.2.4 Oxidation in the periodic table and acids and metals
IB Chemistry SL lesson covering redox trends, metal displacement reactions and reactions of reactive metals with dilute acids.
R-3.2.5 & 3.2.6 Electrochemical cells
IB Chemistry SL lesson covering electrochemical cells, anode and cathode, electron flow, salt bridges and primary voltaic cells.
R-3.2.7 & 3.2.8 Secondary cells & Electrolytic cells
IB Chemistry SL lesson covering rechargeable secondary cells, charging and discharging, electrolytic cells and electrolysis of molten salts.
R-3.2.9 & 3.2.10 & 3.2.11 Oxidation and reduction of functional groups. Reduction and unsaturation
IB Chemistry SL lesson covering oxidation and reduction of organic functional groups, reduction reactions and testing for unsaturation.
R-3.3.1 & 3.3.2 Free radical mechanisms and homolytic fission
IB Chemistry SL lesson covering free radicals, homolytic fission, initiation reactions and fish-hook arrows.
R-3.3.3 Substitution reactions of alkanes
IB Chemistry SL lesson covering radical substitution of alkanes with halogens, propagation and termination steps, and mixtures of products.
R-3.4.1& 3.4.2 Nucleophiles and nucleophilic substitution reactions
IB Chemistry SL lesson covering nucleophiles, electron-pair donation and nucleophilic substitution reactions.
R-3.4.3 & 3.4.4 Heterolytic fission and electrophyles
IB Chemistry SL lesson covering heterolytic fission, ion formation, curly arrows and recognition of electrophiles.
R-3.4.5 Electrophilic addition reactions in alkenes
IB Chemistry SL lesson covering electrophilic addition and reactions of alkenes with water, halogens and hydrogen halides.
Reactivity 3
IB Chemistry SL lessons and exam-style practice covering acids, bases and redox processes.