JEE Main 2022 — D And F Block Elements Question with Solution
From: JEE Main 2022 (Online) 29th June Morning Shift
Question
The number of terminal oxygen atoms present in the product B obtained from the following reaction is _____________.
FeCr2O4 + Na2CO3 + O2 A + Fe2O3 + CO2
A + H+ B + H2O + Na+
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(A)


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This is a previous-year question from JEE Main 2022, covering the D And F Block Elements 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.