JEE Main 2021 — D And F Block Elements Question with Solution
From: JEE Main 2021 (Online) 1st September Evening Shift
Question
In the given chemical reaction, colors of the Fe2+ and Fe3+ ions, are respectively :
5Fe2+ + MnO + 8H+ Mn2+ + 4H2O + 5Fe3+
5Fe2+ + MnO + 8H+ Mn2+ + 4H2O + 5Fe3+
Choose an option
Show full solutionCorrect option: D
Correct answer
DGreen, Yellow
Step-by-step explanation
Colour of Fe2+ is observed green and Fe3+ is yellow.
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This is a previous-year question from JEE Main 2021, 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.