d and f Block Elements | JEE Main 2025

JEE MAIN 2025

24-01-2025 SHIFT-1

Question

Preparation of potassium permanganate from ${\rm{Mn}}{{\rm{O}}_2}$ involves two step process in which the 1st step is a reaction with KOH and ${\rm{KN}}{{\rm{O}}_3}$ to produce

Select the correct option:

${{\rm{K}}_2}{\rm{Mn}}{{\rm{O}}_4}$

${{\rm{K}}_3}{\rm{Mn}}{{\rm{O}}_4}$

${{\rm{K}}_4}\left[ {{\rm{Mn}}{{({\rm{OH}})}_6}} \right]$

${\rm{KMn}}{{\rm{O}}_4}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

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