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Oxidation of ethanol

Description

Ethanol is oxidised by acidifed sodium dichromate in a test-tube reaction, firstly to form ethanal and, with further oxidation, ethanoic acid.

Credits

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



Apparatus Chemicals

Each group will require:

Goggles to be worn

Boiling tube (Note 1)

Dropping pipette

Test-tube rack

Test-tube holder

Bunsen burner

Heat resistant mat

Ethanol (IDA, Industrial Denatured Alcohol) (HIGHLY FLAMMABLE, HARMFUL), 2 - 3 cm3, provided in small bottles

Acidified sodium dichromate(VI) solution, 10 cm3 (VERY TOXIC, CORROSIVE) (Note 2)

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

 






Ethanol is oxidised by acidifed sodium dichromate in a test-tube reaction, firstly to form ethanal and, with further oxidation, ethanoic acid.

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.