JEE Main 2022 — Solid State Question with Solution
From: JEE Main 2022 (Online) 27th June Morning Shift
Question
Metal deficiency defect is shown by Fe0.93O. In the crystal, some Fe2+ cations are missing and loss of positive charge is compensated by the presence of Fe3+ ions. The percentage of Fe2+ ions in the Fe0.93O crystals is __________. (Nearest integer)
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Show full solutionCorrect answer: 79
Correct answer
79
Step-by-step explanation
Let the number of ions be 100 and the number of ions be The number of ions be
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This is a previous-year question from JEE Main 2022, covering the Solid State 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.