Edexcel Chemistry Unit 5 Past Papers
IA2 • WCH15/01
Redox equilibria and electrochemical cells, transition metal chemistry and complex ions, arenes, organic nitrogen compounds and modern analytical techniques.
Every Unit 5 question paper we hold, from 2019 to 2026, with its mark scheme and examiner report where available. Open any PDF in a new tab, or work through the topics below before you sit a full paper.
| Year & Session | Code | Title | Resources |
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What Unit 5 covers
- Topic 16: Redox Equilibria
Standard electrode potentials, electrochemical cells, feasibility of redox reactions, fuel cells and storage cells.
- Topic 17: Transition Metals and their Chemistry
d-block electron configurations, complex ions and ligands, colour, catalysis and redox titrations.
- Topic 18: Organic Chemistry: Arenes
Bonding in benzene, electrophilic substitution mechanisms, phenol chemistry and reactions of side chains.
- Topic 19: Organic Nitrogen Compounds: Amines, Amides, Amino Acids and Proteins
Amines, amides, nitriles, amino acids, peptides and condensation polymers; azo dyes.
- Topic 20: Organic Synthesis
Synthetic routes and reaction pathways; chromatography (TLC, GC) and NMR spectroscopy for structure determination.