Oxidation state of \( \mathrm{Fe} \) in \( \mathrm{Fe}_{3} \mathrm{...

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Oxidation state of \( \mathrm{Fe} \) in \( \mathrm{Fe}_{3} \mathrm{O}_{4} \) is
\( \mathrm{P} \)
W
(a) \( \frac{5}{4} \)
(b) \( \frac{4}{5} \)
(c) \( \frac{3}{2} \)
(d) \( \frac{8}{3} \)
(1999)
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