1.

Extraction of Aluminium can be understand by: electrolyte reduction of AI_(2)O_(3) {:("Electrolyte":,:,(AI_(2)O_(3)+"Cryolite")),("Cathode",:,"Graphite inside the Fe container"),(Anode,:,"Graphite rods"):} What is wrong if anode is made of nickel instead of graphite?

Answer»

Ni is costly
Anode will be affected by PRODUCED `Cl_(2)`
GRAPHITE remain unaffected by produced `Cl_(2)`
`Ni` may be affected by HIGH temp

Answer :B


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