1.

100 mL of 0.05 M aqueous CuSO_(4) solution is subjected to electrolysis. Calculate the quantity of electricity required for the deposition of entire copper at the cathode.

Answer»

0.005 F
0.01 F
0.1 F
0.05 F

Solution :`(W_(Cu))/(63.5) xx (1000)/(100) = 0.5 M`
`rArr W_(Cu) = (0.05 xx 63.5)/(10) = 0.3175 G`
NO. of EQUIVALENTS `= (0.3175)/(31.75) = 0.01`
`:.` No of FARADAYS is 0.01 F


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