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# How much charge is required for the following reductions

3.12     How much charge is required for the following reductions:

(ii)  $1\ mol \ of\ Cu^{2+}\ to\ Cu?$

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The equation can be written as:-

$Cu^{2+}\ +\ 2e^-\ =\ Cu$

Thus charge required is  $=\ 2F$

$= 2(96500) = 193000\ C$

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