CourseCourse QuestionQuestion

Structure 1. Models of the particulate nature of matter

Structure 2. Models of bonding and structure

Structure 3. Classification of matter

Reactivity 1. What drives chemical reactions?

Reactivity 2. How much, how fast and how far?

Reactivity 3. What are the mechanisms of chemical change?

3.1 Proton transfer reactions

3.2 Electron transfer reactions

3.3 Electron sharing reactions (Radicals)

3.4 Electron-pair sharing reactions

3.4.1—Nucleophiles

3.4.2—Nucleophilic substitution

3.4.3—Heterolytic fission

3.4.4—Electrophiles

3.4.5—Electrophilic addition to alkenes

3.4.6—Lewis acid-base theory

3.4.7—Coordination bond formation

3.4.8—Complex ions

3.4.9 (HL)—Nucleophilic substitution mechanisms

3.4.10 (HL)—Leaving group effects

3.4.11 (HL)—Electrophilic addition mechanisms

3.4.12 (HL)—Carbocation stability

3.4.13 (HL)—Electrophilic substitution in benzene

IB/Chemistry/HL//Concept/Reactivity 3. What are the mechanisms of chemical change?/3.4 Electron-pair sharing reactions/3.4.12 (HL)—Carbocation stability

Reactivity 3. What are the mechanisms of chemical change?

Syllabus: First assessment 2025
Section: —
Level: HL

Exam analysis

Most tested topics

Proton transfer reactions
Electron transfer reactions
Electron sharing reactions (Radicals)
Electron-pair sharing reactions