The Electrolysis of Molten Lead Bromide

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This classic demonstration, from the Royal Society of Chemistry, shows that lead bromide does not conduct when solid but does when molten. The products of bromine and lead can be collected and weighed. A value for the Faraday constant can be estimated.

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

Curriculum links include: electrolysis, electrochemistry, Faraday constant.

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