(a) In extraction of Aluminium by electrolysis, (i) Write ovreall cel – InterviewSolution

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1.	(a) In extraction of Aluminium by electrolysis, (i) Write ovreall cell reaction. (ii) What is the role of cryolite? (b) Name the metal refined by Mond's process.
Answer» Solution : (a) (i) `2Al_2O_3 +3C to 4Al + 3CO_2` (ii) Lowers the melting point of the mixture and INCREASES the electrical conductivity. (B) Nickel .

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