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  4. Two electrolytic cells, one containing acidified ferrous chloride and another acidified ferric are connected in series. The ratio of iron deposited at cathodes in the two cells will be

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Q. Two electrolytic cells, one containing acidified ferrous chloride and another acidified ferric are connected in series. The ratio of iron deposited at cathodes in the two cells will be

Electrochemistry

Solution:

Since the wt. of iron deposited is proportional to its equivalent weight
$\therefore \frac{\text{Wt. of ferrous ion}}{\text{Wt. of ferric iron} }$
$= \frac{\text {at. wt/2}}{\text {at wt. /3}} = 3/2$