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

3.1.1—Brønsted-Lowry theory

3.1.2—Conjugate acid-base pairs

3.1.3—Amphiprotic species

3.1.4—pH scale

3.1.5—Ion product of water (Kw)

3.1.6—Strong vs. weak acids/bases

3.1.7—Neutralization reactions

3.1.8—pH curves

3.1.9 (HL)—pOH scale

3.1.10 (HL)—Acid/base strength constants

3.1.11 (HL)—Conjugate pair relationship

3.1.12 (HL)—Salt hydrolysis

3.1.13 (HL)—pH curves for weak acids/bases

3.1.14 (HL)—Acid-base indicators

3.1.15 (HL)—Indicator selection

3.1.16 (HL)—Buffer solutions

3.1.17 (HL)—Buffer pH and composition

3.2 Electron transfer reactions

3.3 Electron sharing reactions (Radicals)

3.4 Electron-pair sharing reactions

IB/Chemistry/HL//Concept/Reactivity 3. What are the mechanisms of chemical change?/3.1 Proton transfer reactions/3.1.5—Ion product of water (Kw)

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