H3 Chemistry 9813 · Topic hub
H3 Molecular Stereochemistry (9813)
H3 Chemistry 9813 stereochemical projections, conformations, configurations, optical activity and transition-metal stereochemistry for all 7 official leaves.
Before you begin
Follow the lesson route in order when this topic is new. During revision, start with the topic check and return to the exact lesson it identifies.
How the ideas connect
- Projection
- Conformation
- Configuration
- Optical and complex stereochemistry
Learn in order
Lesson route
2.1 Molecular stereochemistry
- 012.1 a(i): Use Newman and other stereochemical projectionsUse Newman and other stereochemical projections.
- 022.1 a(ii): Interpret stereochemical projectionsInterpret stereochemical projections.
- 032.1 b(i): Explain conformational isomerism and rotational barriersExplain conformational isomerism and rotational barriers.
- 042.1 b(ii): Assign cis/trans and E/Z configurationsAssign cis/trans and E/Z configurations.
- 052.1 b(iii): Apply R/S, optical activity and optical-purity reasoningApply R/S, optical activity and optical-purity reasoning.
- 062.1 c(i): Identify cis/trans isomerism in square-planar and octahedral complexesIdentify cis/trans isomerism in square-planar and octahedral complexes.
- 072.1 c(ii): Identify enantiomerism in octahedral complexesIdentify enantiomerism in octahedral complexes.
Prove your understanding
Practice and repair
Key ideas and reference
Use this concise H3 Molecular Stereochemistry (9813) checklist for orientation. Open a linked lesson for definitions, equations, methods and worked examples.
- Use Newman and other stereochemical projections.
- Identify enantiomerism in octahedral complexes.
Course coverage and review details
H3 Molecular Stereochemistry (9813) is presented within H3 Chemistry 9813.
Qualification-specific practice evidence remains separate and is never inferred from a page visit.
Reviewed 2026-08-02