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Chemistry /
YEAR 12 · UNIT 4

Build the possibilities.

From the shape of a molecule to the way we make it. Choose a syllabus point, or jump straight into practice.

01
TOPIC 1

Properties and structure of organic materials

Read molecular structures. Predict properties and reactions.

01

Functional groups and formulas

Read a molecule’s signature.

Practise
02

IUPAC names and branching

Give every carbon an address.

Practise
03

Structural and stereoisomers

Same atoms. Different possibilities.

Practise
04

Intermolecular forces and solubility

Structure explains the trend.

Practise
05

Addition, substitution and elimination

Change the group. Change the molecule.

Practise
06

Organic oxidation and chemical tests

What does the colour tell you?

Practise
07

Esters, amides and synthesis pathways

Build a route, one bond at a time.

Practise
08

Polymer structure and properties

Small repeats. Big differences.

Practise
09

Amino acids and zwitterions

A molecule with two personalities.

Practise
10

Chromatography and retention factors

Separate the mixture.

Practise
11

Mass spectra and infrared spectra

Read the molecular fingerprint.

Practise
Try related past-paper questions
02
TOPIC 2

Chemical synthesis and design

Choose a pathway, evaluate yield and build larger molecules.

01

Haber and contact processes

A useful compromise.

Practise
02

Ethanol production and hydrogen fuel cells

Two routes to energy.

Practise
03

Limiting reagents and percentage yield

How much can you actually make?

Practise
04

Polymerisation, peptides and carbohydrates

Repeat something remarkable.

Practise
Try related past-paper questions
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