JEE Main 2022 — D And F Block Elements Question with Solution
From: JEE Main 2022 (Online) 26th July Morning Shift
Question
The dark purple colour of disappears in the titration with oxalic acid in acidic medium. The overall change in the oxidation number of manganese in the reaction is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A5
Step-by-step explanation
Change is oxidation state is 5.
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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.