Two electrolytic cells, one containing acidified ferrous chloride and another acidified ferric chlor — Electrochemistry Chemistry Question
Question
Two electrolytic cells, one containing acidified ferrous chloride and another acidified ferric chloride, are connected in series. The mass ratio of iron deposited at cathodes in the two cells will be
Answer: D
💡 Solution & Explanation
Mass is proportional to equivalent weight (M/n). For ferrous (Fe2+), $n=2$, so Eq = M/2. For ferric (Fe3+), $n=3$, so Eq = M/3. The ratio of deposited masses is $(M/2) : (M/3) = 3:2$. Therefore, correct answer is D.
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