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The conversion of alcohols to halogenoalkanes

Description

Ethanol is reacted with phosphorus tribromide in a substitution reaction to give bromoethane.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
the-conversion-of-alcohol...



Apparatus Chemicals

Goggles

Protective gloves (preferably nitrile)

The teacher (or each group of students) will need:

Test tube

Test-tube rack

Measuring cylinder (5 cm3, or 10 cm3)

Dropping pipettes, 2

Ethanol (HIGHLY FLAMMABLE) or Industrial denatured alcohol, IDA (HIGHLY FLAMMABLE, HARMFUL)

Phosphorus(III) bromide (CORROSIVE)

Deionised or distilled water

Refer to Health & Safety and Technical notes section below for additional information.

 







Page last updated October 2015

Ethanol is reacted with phosphorus tribromide in a substitution reaction to give bromoethane.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology .