plss explain " Electrolysis of Alumina " .
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hey... Mate here's ur answer !!
Pure alumina has very high melting point (2050 degree C) and in molten state, it is bad conductor of electricity.
Hence, a molten cryolite is added to alumina to,
a } dissolve alumina
b } decrease it's melting point to abt 950 degree C.
c } increase the conductivity of alumina.
In this process, aluminium is obtained at cathode.
Hope it might be helpful :)
Pure alumina has very high melting point (2050 degree C) and in molten state, it is bad conductor of electricity.
Hence, a molten cryolite is added to alumina to,
a } dissolve alumina
b } decrease it's melting point to abt 950 degree C.
c } increase the conductivity of alumina.
In this process, aluminium is obtained at cathode.
Hope it might be helpful :)
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