BRAINCAKEConversion to Halogenoalkanes
The -OH group of an alcohol can be replaced by a halogen atom to make a halogenoalkane. Different reagents are used for each halogen.
Chloroalkanes: phosphorus(V) chloride
PCl5 reacts with alcohols at room temperature:
C2H5OH + PCl5 → C2H5Cl + POCl3 + HCl
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Key terms in this lesson
- reflux
- Heating a reaction mixture so that vapour continuously condenses and returns to the flask, allowing prolonged heating without loss of volatile substances.
More in Alcohols
- Classifying Alcohols
- Reactions of Alcohols
- Dehydration
- Oxidation Reactions of Alcohols
- Purification by Simple Distillation
- Fractional Distillation
- Solvent Extraction
- Drying
All 16 lessons in Alcohols · All Edexcel AS-level Chemistry topics