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The reaction of ethyne with chlorine

Description

This experiment shows the spontaneous reaction of ethyne and chlorine, including bursts of yellow flame and leaving a black sooty deposit of carbon.

Credits

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



Apparatus Chemicals

The teacher will need:

Eye protection

Safety screen

Access to a fume cupboard

Beaker, 250 cm3

Dropping pipette

Tongs

Calcium carbide, CaC2 (HIGHLY FLAMMABLE), one fresh, pea-sized lump (Note 1)

Sodium chlorate(I) solution (Sodium hypochlorite, household bleach), 5% (0.7 M) (Irritant), 5 cm3, (Note 2)

Sulfuric acid, 2 M (CORROSIVE), 50 cm3

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

 







Page last updated October 2015

This experiment shows the spontaneous reaction of ethyne and chlorine, including bursts of yellow flame and leaving a black sooty deposit of carbon.

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.