1.

The quantity of charge requried to obtain one mole of aluminium from Al_(2)O_(3) is

Answer»

1F
6F
3F
2F

Solution :`Al_(2)O_(3) to 2AL,` i.e., `2Al^(3+)+6e^(-)to2Al` or `Al^(3+)+3e^(-)toAl`. Hence to OBTAIN one mole of Al. CHARGE requried=3F.


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