JEE Main 2022 — Electrochemistry Question with Solution
From: JEE Main 2022 (Online) 26th July Morning Shift
Question
The amount of charge in (Faraday) required to obtain one mole of iron from is ___________. (Nearest Integer)
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Show full solutionCorrect answer: 8
Correct answer
8
Step-by-step explanation
For ,
where x is oxidation state of Fe.
Charge required
where x is oxidation state of Fe.
Charge required
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This is a previous-year question from JEE Main 2022, covering the Electrochemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.