JEE Main 2016 — D And F Block Elements Question with Solution
From: JEE Main 2016 (Online) 9th April Morning Slot
Question
Which one of the following species is stable in aqueous solution?
Choose an option
Show full solutionCorrect option: D
Correct answer
DMnO
Step-by-step explanation
MnO42− disproportionate as (in neutral or acidic solution)
3MnO42− + 4H+ → 2MnO42− + MnO2 + 2H2O
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the D And F Block Elements chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2016, 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.