Chemistry
The following questions relate to the extraction of Aluminium by electrolysis.
(a) Name the other aluminum containing compound added to alumina.
(b) Give a balanced equation for the reaction that takes place at the cathode.
Electrolysis
ICSE Sp 2024
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Answer
(a) The compound is cryolite [Na3AlF6].
(b) 2Al3+ + 6e- ⟶ 2Al
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