The Reaction of Ethyne with Chlorine

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In this classic demonstration, from the Royal Society of Chemistry, ethyne and chlorine react vigorously together to produce black soot. The ethyne is produced by reacting calcium carbide with sulphuric acid and the chlorine is produced by adding bleach to the acid.

The resource provides a list of apparatus and chemicals needed for the experiment, together with teaching tips.

Curriculum links include: organic chemistry, reactions of alkynes.

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