1. Tardigrade
  2. Question
  3. Chemistry
  4. Which one of the following compounds does not decolourise an acidified aqueous solution of KMnO4 ?

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Which one of the following compounds does not decolourise an acidified aqueous solution of $KMnO_4$ ?

The d-and f-Block Elements

Solution:

$FeSO_4, SO_2$ and $H_2O_2$ can act as reducing agent and as such reduce $MnO^-_4$ (pink) to $Mn^{2+}$ (almost colourless)