The quantity of charge required to obtain one mole of aluminium from Al₂O₃ is :

1.  1 F

2.  6 F

3.  3 F

4.  2 F

What will happen during the electrolysis of an aqueous solution of CuSO₄ by using platinum electrodes?

a.  Copper will deposit at cathode

b.  Copper will deposit at the anode

c.  Oxygen will be released at the anode

d.  Copper will dissolve at the anode

The correct choice among the given is -

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)