To deposit 1 mol of aluminium from molten `Al_(2)O_(3)`. What is the amount of electricity (in coulombs) required ?

List-I A) Electrolysis of aq. Na_(2)SO_(4) using Pt electrodes B) The charge carried by 6.023xx10^(23) electrons is C) The amount of electricity required to deposit 27 grmams of Aluminium at cathode from molten Al_(2)O_(3) is D) A gas in contact with an inert electrode. List-II 1) 1 Faraday 2) 3 Faradays 3) H_(2(g))//pt 4) O_(2) at anode H_(2) at cathode

Why the graphite rods in the extraction of aluminium from molten Al_2 O_3 have to be replaced from time to time ?

Why the graphite rods in the extraction of aluminium from molten Al_2O_3 have to be replaced from time to time ?

How many coulombs are required to produce 40.0 g of aluminium from molten Al_(2)O_(3) .

How many coulombs are required to produce 50.0 g of aluminium from molten Al_(2)O_(3) ?

How many Coulombs are required to produce 54 grams of aluminium from molten Al_(2)O_(3) ? (Eq. wt of Al=9)