Question

How many faradays are involved in conversion of a mole of Fe2O3 to FeO2

Answer 1

Answer:

1 Faraday per 1 mole because the difference between oxidation no. of both Fes is 4-3=1.

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Answer 2

One Faraday is involved in the conversion of 1 mole of $Fe_{2}O_{3}$ to $FeO_{2}$.

Explanation:

• For the estimation of the number of faradays that are required for a conversion, the change in the oxidation state is consideres.
• The oxidation state of Fe in $Fe_{2}O_{3}$ is +3. And in $FeO_{2}$ its +4.
• The change in the oxidation state is of +1 ⇒ ΔO.S=+1
• So, a total of 1 faraday will be required for the conversion.
• The value of 1 farday is 96485 C/mol.