For reducing one mole of \( \mathrm{Fe}^{2+} \) ion to \( \mathrm{Fe} \), the number of faraday ...

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For reducing one mole of \( \mathrm{Fe}^{2+} \) ion to \( \mathrm{Fe} \), the number of faraday of electricity is:
(A) 2
(B) \( 1.5 \)
(C) 1
(D) 4
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