AS 91391 · 5 credits · External
Organic compounds
Demonstrate understanding of the properties of organic compounds
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In plain EnglishAI study guide · check the NZQA standard
You need to show you understand how organic compounds work: their structures, how they react, and how their chemical properties connect to what they actually do. This is about linking the shape and arrangement of atoms in organic molecules to their behaviour in reactions and how to identify them.
What to do, grades and common mistakes
What you actually do
- ·Identify functional groups in organic molecules and name compounds correctly using IUPAC naming rules
- ·Draw structural formulae accurately, including enantiomers, and explain how different arrangements affect properties like optical activity
- ·Complete multi-step reaction schemes by identifying reagents and products, and link reaction conditions (like heating under reflux) to why they work
- ·Justify how to distinguish between unknown organic compounds using chemical tests and observations
- ·Explain reaction mechanisms and link molecular structure to reactivity, such as why certain functional groups react in particular ways
AAchieved
You identify functional groups, name compounds, draw some correct structural formulae, recognise simple reaction types, and complete some steps of reaction schemes.
MMerit