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# How much charge is required for the following reductions:

3.12     How much charge is required for the following reductions:

(i) $\dpi{100} 1\ mol\ of\ Al^{3+}\ to\ Al\ ?$

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The equation becomes :-

$Al^{+3}\ + 3e^-\ =\ Al$

So required charge is 3F.

Q = n*96500

Q  =   3*96500  =  289500 C

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