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Question
Give the reaction occurring at the anode during electrolysis of molten lead bromide.
Chemical Equations/Structures
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Solution
Bromide ions (Br−) lose electrons to form neutral bromine atoms, which then combine to form reddish-brown bromine vapour molecules.
\[\ce{Br- -> Br + e-}\]
\[\ce{Br + Br -> Br2}\]
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