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(a) In extraction of Aluminium by electr...

(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.

Text Solution

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(i) `AL_(2)O_(3) + 3C_(4) to Al + 3CO_(2)`
(ii) Cryolite acts as electrolyte which increases the conductivity and lowers the melting point of mixture.
(b)Nickel or Ni
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