Details for the A2 Unit 4 will be published here:
Unit 4 will be taught through 3 sections.
- Rings, Acids and Amines
- Polymers and Synthesis
- Analysis
Rings, acids and amines
- Structure of Benzene
- Why is benzene weird?
- Why does it not decolourise bromine?
- Why are the bonds all the same length and not the length of either an alkane or an alkene
- Why is the enthalpy of hydration not as expected
- Aromaticity
- Reactivity of Benzene
- Phenols and their reactions
- Oxidation of alcohols and aldehydes
- Carbonyl chemistry
- Tests for carbonyls
- Carboxylic acids
- Esters
- Esters in living organisms
- Amine chemistry
Polymers and synthesis
- Amino acids
- Polypeptides, polyamides and polyesters
- Optical isomerism
- Organic synthesis of aliphatic compounds (straight chains)
- Organic synthesis of aromatic compounds (rings)
- Problems of chirality
Analysis
- IR
- MS
- H-NMR
- C-NMR
- TLC
- GC
- Combined techniques
- GC-MS
- LC-NMR
Past papers
You can find and download past papers from the OCR website here
Chemstuff 