JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
The amount of charge in \(F\) (Faraday) required to obtain one mole of iron from \(Fe _{3} O _{4}\) is (Nearest Integer)
- A \(3\)
- B \(2\)
- C \(1\)
- D \(0\)
Answer & Solution
Correct Answer
(A) \(3\)
Step-by-step Solution
Detailed explanation
\(Fe _{3} O _{4} \stackrel{+8 e^{-}}{\longrightarrow} 3\,Fe\) Charge for \(1\,mole\) \(Fe =8 / 3 F\) \(=2.67\,F\)
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