CBSE Class 12-science Answered
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Asked by jain.pradeep | 26 Feb, 2020, 09:59: AM
In extraction of aluminium, lining of carbon acts as cathode and graphite acts as anode. During this process, graphite is oxidised in CO and CO2 .
Chemical reactions are as follows-
![A t space c a t h o d e space
A l to the power of plus 3 end exponent space plus 3 e to the power of minus space rightwards arrow A l
A t space a n o d e minus
space C plus O to the power of negative 2 end exponent rightwards arrow C O plus 2 e to the power of minus
C plus 2 O to the power of negative 2 end exponent rightwards arrow C O subscript 2 space end subscript plus 4 e to the power of minus](https://images.topperlearning.com/topper/tinymce/cache/933907619c3bd97de161824f95c9e444.png)
Answered by Ravi | 26 Feb, 2020, 15:19: PM
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