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प्रश्न
The quantity of charge required to obtain one mole of aluminium from Al2O3 is ______.
विकल्प
1F
6F
3F
2F
उत्तर
The quantity of charge required to obtain one mole of aluminium from Al2O3 is 3F.
Explanation:
\[\ce{AI2O3 -> 2AI^{3+} + 3O^{2-}}\]
\[\ce{AI^{3-} + 3^{e-} -> AI}\] .....(For mole)
3F charge is required to obtain 1 mole Al from Al2O3.
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